Explore our collection of 153 100% Free, Secure, & Fast Online Developer & SEO Tools.
PDF Tools
Delete & Reorder PDF Pages Online – Free, No Upload
Delete pages from PDF and rearrange page order online free. Visual thumbnails, move pages up or down, remove blanks – 100% private, no upload.
Compress PDF Online Free – Reduce PDF Size (No Upload)
Compress PDF online free and reduce PDF file size up to 90% for email and web forms. 100% browser-based – your document is never uploaded anywhere.
Merge PDF Files Online – Free, Private, No Upload
Merge PDF files online free with no upload, no watermark and no limits. Combine unlimited PDFs into one file directly in your browser – 100% private.
Add Page Numbers to PDF Online – Free, No Upload
Add page numbers to PDF online free. Choose position, format (Page X of Y), size and starting page – numbering is stamped in your browser, no upload.
Split PDF Online – Extract Pages Free (No Upload)
Split PDF online free: extract a page range or break every page into separate PDFs. Runs 100% in your browser – no upload, no watermark, no limits.
PDF to JPG Converter – Free Online, No Upload
Convert PDF to JPG online free. Turn every PDF page into a high-quality JPG image in your browser – no upload, no watermark, single images or ZIP.
Rotate PDF Online – Fix Sideways Pages Free (No Upload)
Rotate PDF pages online free and save the fix permanently. Rotate all pages or a specific range by 90°, 180° or 270° – 100% in your browser, no upload.
Sign PDF Online – Draw or Type Your Signature Free
Sign PDF online free: draw or type your signature, place it on any page and download. 100% private – the PDF never leaves your device.
Unlock PDF Online – Remove PDF Password & Restrictions Free
Unlock PDF online free: remove print/copy restrictions instantly, or remove an open password you know. 100% in-browser – your file is never uploaded.
AI Image Tools
Background Remover – Remove Image Background Free (AI, In-Browser)
Remove image backgrounds free with on-device AI. No upload, no sign-up, no watermark, unlimited use – the model runs in your browser for total privacy.
Image to Text Converter (OCR) – Free Online, No Upload
Convert image to text free with in-browser OCR. Extract text from photos, screenshots and scans – English, Urdu, Arabic, Hindi & more. No upload.
AI Image Upscaler – Enlarge Images 2x Free (In-Browser)
Upscale images 2x free with on-device AI. Sharper than normal resizing, no upload, no watermark, no credits – the neural network runs in your browser.
Image & Video Converters
AVIF Converter – AVIF to JPG/PNG & Back, Free Online
Convert AVIF to JPG or PNG online free – and JPG/PNG to AVIF where your browser supports it. 100% client-side, batch friendly, no upload, no watermark.
HEIC to JPG Converter – Free Online, No Upload
Convert HEIC to JPG online free – batch convert iPhone photos in your browser with zero upload. Also outputs PNG. No limits, no watermark, fully private.
MP4 to MP3 Converter – Extract Audio Free (No Upload)
Convert MP4 to MP3 online free – extract audio from any video right in your browser. No upload, no watermark, works with MOV and WebM too.
Compress Video Online Free – No Upload, No Watermark
Compress video online free with zero upload – the encoder runs in your browser. Shrink MP4s for WhatsApp & email, no watermark, no length limit.
Video to GIF Converter – Free Online, No Upload
Convert video to GIF online free – pick the start time and length, get a smooth high-quality GIF. Runs in your browser with no upload or watermark.
Trim Video Online – Cut Clips Free Without Upload
Trim video online free: cut any section from MP4/MOV/WebM in seconds with lossless fast-cut, in your browser. No upload, no watermark, no waiting.
Device Testers
CPS Test – Click Speed Test (1, 5 & 10 Seconds)
Test your clicks per second free. 1, 5 and 10 second modes with instant CPS score, rating and best-score tracking. Works with mouse, trackpad and touch.
Dead Pixel Test – Check Your Screen for Dead & Stuck Pixels
Test your screen for dead and stuck pixels free. Fullscreen solid colors reveal faulty pixels on any monitor, laptop, phone or TV in under a minute.
Gamepad Tester – Test Controller Buttons, Sticks & Vibration
Test your game controller online free. Check every button, analog stick drift, triggers and vibration for Xbox, PlayStation and PC gamepads instantly.
Keyboard Tester Online – Test Every Key Instantly
Test every key on your keyboard online. Keys light up as you press them, with rollover count and key history – perfect for checking new or used keyboards.
Online Mic Test – Check Your Microphone in Seconds
Test your microphone online in seconds. See a live level meter, record a short clip and play it back – free, private, nothing leaves your browser.
Reaction Time Test – How Fast Are Your Reflexes?
Test your reaction time free. Click when the screen turns green – get your speed in milliseconds, average of 5 rounds and false-start detection.
Refresh Rate Test – Check Your Screen’s Real Hz
Check your screen’s real refresh rate online free. Measures the actual Hz your display is running – catch a 120Hz monitor stuck at 60Hz in seconds.
Speaker Test Online – Left / Right & Frequency Check
Test your speakers or headphones online free. Check left and right channels, play test tones and run a 20 Hz–20 kHz frequency sweep in your browser.
Touch Screen Test – Find Dead Zones & Ghost Touch
Test your phone or tablet touch screen free. Paint the grid with your finger to find dead zones, check multi-touch points and spot ghost touches instantly.
Webcam Test Online – Check Your Camera in Seconds
Test your webcam online free. See a live preview, real resolution and FPS, switch cameras, mirror the image and take a snapshot – nothing is uploaded.
Recorders
Free Online Screen Recorder – No Install, No Watermark
Record your screen online free – no install, no watermark, no time limit. Capture a tab, window or full screen with optional mic audio, 100% in-browser.
Free Online Voice Recorder – Record Audio in Your Browser
Record your voice online free – no install, no sign-up, no upload. Pause, resume, preview and download your recording. Audio never leaves your device.
Web Developer & Coding Utilities
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 to text instantly. A 100% free, secure, and local browser-based utility for developers.
Base64 to Image Decoder
Decode a Base64 string back into a downloadable image file online. Secure and free.
CSS Box Shadow Generator
Visually generate CSS box-shadow code for your HTML elements. Free, interactive online developer tool.
CSS Minifier
Instantly compress and minify your CSS code online. 100% free, secure, browser-based tool to reduce CSS file size for faster page loads.
CSV to JSON Converter
Convert CSV files into JSON format easily. Fast, free online utility for developers and data analysts.
Free Online Base64 to Image Decoder
Convert Base64 encoded strings back into viewable and downloadable images online for free. Support for JPG, PNG, GIF, and SVG formats. 100% private.
Free Online CSS Border Radius Generator
Visually create CSS border-radius values for rounded corners and organic shapes. Live preview with individually adjustable corners. Copy CSS instantly.
Free Online CSS Box Shadow Generator
Create and customize CSS box shadows visually. Adjust blur, spread, offset, color, and opacity with a live preview. Copy the CSS code instantly for free.
Free Online CSS Gradient Generator
Create stunning CSS linear and radial gradients visually. Pick colors, set direction, preview live, and copy the CSS code instantly. Free online tool.
Free Online CSS Minifier
Minify and compress your CSS code online for free. Reduce stylesheet file sizes to improve website speed and SEO rankings. 100% private in-browser tool.
Free Online CSV to JSON Converter
Convert CSV or Excel spreadsheet data into JSON format instantly. Perfect for importing data into APIs, databases, and web applications. Free online tool.
Free Online Cron Expression Generator
Build and understand cron expressions visually. Generate cron schedules for Linux, crontab, and CI/CD pipelines. See next 5 run times instantly. Free tool.
Free Online HTML Entity Encoder Decoder
Encode special characters into HTML entities or decode them back to text. Prevent XSS attacks, display code snippets, and fix character encoding issues.
Free Online HTML Minifier
Minify and compress your HTML code online for free. Remove unnecessary whitespace, comments, and empty lines to speed up your website loading times.
Free Online JSON Formatter & Validator
Format, beautify, and validate your JSON data online for free. Pinpoint syntax errors instantly. 100% secure, private, and runs in your browser.
Free Online JSON to CSV Converter
Convert JSON data to CSV format instantly for free. Open your API data in Excel, Google Sheets, or any spreadsheet app. No upload required — runs in browser.
Free Online JavaScript Minifier
Minify, compress, and obfuscate your JavaScript code online for free. Reduce file sizes to improve page load speed and protect your logic. 100% private.
Free Online Markdown to HTML Converter
Convert your Markdown (.md) documents into clean, valid HTML code online for free. Instantly preview your formatted text and copy the HTML tags.
Free Online Robots.txt Generator
Generate a robots.txt file for your website in seconds. Control which search engine crawlers can access which parts of your site. Free SEO tool.
Free Online SQL Formatter
Format and beautify messy SQL queries into clean, readable code instantly. Supports SELECT, INSERT, UPDATE, DELETE, and complex JOIN statements. Free tool.
Free Online Website HTTP Header Checker
Check the HTTP response headers of any website. Verify cache headers, security headers, content-type, status codes, and server information. Free SEO tool.
Free Online XML Sitemap Checker
Check if your XML sitemap is valid, accessible, and properly formatted. Verify URLs, count pages, and identify common sitemap errors. Free SEO tool.
Free Online htaccess Redirect Generator
Generate .htaccess redirect rules for 301 permanent and 302 temporary redirects. Supports single page, entire directory, and domain-level redirects.
HTML Beautifier
Format and beautify minified HTML code instantly. Free online developer tool to make code readable.
HTML Minifier
Instantly compress and minify your HTML code online. 100% free, secure, browser-based tool to reduce HTML file size for faster page loads.
Image to Base64 Converter
Convert JPG, PNG, or GIF images directly to a Base64 string. Free online developer tool.
JSON Formatter & Validator
Instantly format, validate, and minify your JSON code. 100% free, fast, and completely private browser-based developer tool.
JSON to CSV Converter
Convert JSON data to CSV format instantly. Free, secure, browser-based data conversion tool.
JavaScript Minifier
Compress and minify JavaScript code to reduce file size and improve website loading speed. Free online JS minifier.
Markdown to HTML Converter
Translate Markdown syntax into valid HTML code instantly. Free, fast browser-based converter.
Text, Content, & SEO Tools
Add Prefix / Suffix to Text
Instantly add a specific word or character to the beginning or end of every line in a list. Free online text tool.
Extract Emails from Text
Extract all email addresses from a messy block of text or code instantly. Completely free and secure.
Extract URLs from Text
Easily pull all URLs and website links out of messy text or raw HTML code. Free online extraction tool.
Find and Replace Text Online
Find and replace specific words, phrases, or characters in a text document online. Fast, secure, and completely free.
Free Online Case Converter
Convert text between UPPERCASE, lowercase, Title Case, and Sentence case online for free. Instantly format your essays, articles, and code strings.
Free Online Circle Crop & Profile Pic Maker
Crop your photos into a perfect circle online for free. Ideal for Discord, WhatsApp, LinkedIn, and Instagram avatars. 100% private and fast.
Free Online Duplicate Line Remover
Instantly remove duplicate lines from lists, spreadsheets, and text documents online for free. Sort and clean data securely in your browser.
Free Online Emoji Picker and Copy Tool
Search, browse, and copy emojis to your clipboard instantly. Over 1,800 emojis organized by category. No apps needed — works right in your browser.
Free Online Fancy Text Generator
Transform plain text into fancy Unicode styles like bold, italic, cursive, strikethrough, and decorative fonts. Copy and paste into social media instantly.
Free Online Google Fonts Pair Suggester
Find beautiful Google Font pairings for your website. Browse curated heading and body font combinations with live preview. Copy the CSS link instantly.
Free Online Habit Tracker
Track your daily habits with this free online tool. Add custom habits, check them off each day, and build streaks. Data saves automatically in your browser.
Free Online Invoice Generator
Create professional invoices for free. Add line items, taxes, and discounts. Download as PDF or print directly. No sign-up required.
Free Online Lorem Ipsum Generator
Generate perfectly formatted Lorem Ipsum dummy text for your web designs and mockups. Customize paragraphs, words, and lists instantly online for free.
Free Online Meme Generator Tool
Create custom memes online for free. Add top and bottom text to your own images instantly in your browser. 100% private, no watermarks, no uploads.
Free Online Meta Tag Generator
Generate SEO-optimized HTML meta tags for your website. Preview Google search results, Open Graph tags for social media, and Twitter Card markup. Free tool.
Free Online Morse Code Translator
Translate text to Morse code and back instantly for free. Hear the beeps, copy the output, and learn Morse code right in your browser.
Free Online Notepad
Write quick notes online for free. Features auto-save to your browser, dark mode, word count, and downloadable .txt files. No sign-up required.
Free Online Open Graph Preview Tool
Preview how your URL will look when shared on Facebook, Twitter, LinkedIn, and WhatsApp. Debug Open Graph and Twitter Card meta tags instantly for free.
Free Online Pixel Ruler
Measure on-screen elements in pixels with our free virtual ruler. Drag and resize the overlay ruler to measure web design elements, images, and UI components.
Free Online Privacy Policy Generator
Generate a privacy policy for your website or app in minutes. Covers cookies, data collection, GDPR, and CCPA compliance. Free, no sign-up required.
Free Online Regex Tester
Test and debug your regular expressions in real time for free. See matches highlighted instantly with group captures, flags, and an interactive cheat sheet.
Free Online Stopwatch
Use our precise online stopwatch with lap timing, millisecond accuracy, and fullscreen mode. Perfect for sports, cooking, and productivity tracking.
Free Online Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin instantly. Type a value in any unit and see all conversions in real time. Free online tool.
Free Online Text Diff Checker
Compare two blocks of text side-by-side and instantly see additions, deletions, and changes highlighted. Perfect for code reviews and document versioning.
Free Online Text Reverser
Reverse your text character by character, word by word, or line by line. Generate mirror text and upside-down text instantly for free.
Free Online Text to Slug Converter
Instantly convert article titles and strings into SEO-friendly URL slugs. Removes special characters, spaces, and formats text for perfect web links.
Free Online Text to Speech Reader
Convert any text into natural spoken audio for free. Supports multiple voices, adjustable speed, and pitch. Perfect for proofreading and accessibility.
Free Online Typing Speed Test
Test your typing speed and accuracy for free. Measure your words per minute (WPM), accuracy percentage, and compare your results. No sign-up required.
Free Online URL Encoder / Decoder
Instantly encode or decode URLs online for free. Safely translate special characters into valid web addresses. 100% secure, private, and runs in-browser.
Free Online Unit Converter
Convert between units of length, weight, temperature, volume, and speed instantly for free. Supports metric and imperial systems with real-time results.
Free Online What Is My IP Address Tool
Find your public IP address, location, ISP, and browser details instantly. Free IP lookup tool with no sign-up required. See your digital footprint.
Free Online Whitespace Remover
Clean up text by removing extra spaces, tabs, blank lines, and trailing whitespace. Perfect for cleaning up code, pasted text, and documents. Free tool.
Keyword Density Analyzer
Analyze your article keyword density to optimize for SEO. Free online word frequency counter.
Lorem Ipsum Generator
Generate custom Lorem Ipsum placeholder text for your web design and mockup projects. 100% free and fast.
Remove Duplicate Lines
Instantly remove duplicate lines from any text or list. Clean up massive datasets entirely in your browser.
Reverse Text and Lists
Instantly reverse the order of text, characters, or list items. Free online utility for data formatting.
Text Case Converter
Convert text block to uppercase, lowercase, title case, or sentence case instantly. Free online text utility.
Text Scrambler
Randomly scramble the letters or words in your text. A fun, free online text scrambling tool for puzzles and games.
Text to Slug Converter
Convert any title or text into a clean, SEO-friendly URL slug. Free online tool for bloggers and webmasters.
URL Encoder and Decoder
Safely encode or decode URLs and special characters instantly. 100% free, browser-based developer utility.
Upside Down Text Generator
Flip your text upside down instantly for social media and messaging. Fun, free online text flipper.
Word & Character Counter
Instantly count words, characters, and estimate reading time. A 100% free online word counter tool for writers and students.
Zalgo Text Generator
Create creepy, glitchy Zalgo text for social media profiles. Free online cursed text generator.
Image & Visual Tools
Free Online Blur Image Tool
Blur photos, faces, or sensitive information online for free. Apply gaussian blur to entire images instantly in your browser. 100% secure and private.
Free Online Color Contrast Checker
Check if your text and background colors meet WCAG 2.1 accessibility standards. Test contrast ratios for AA and AAA compliance levels instantly.
Free Online Color Converter (HEX, RGB, HSL)
Convert colors between HEX, RGB, HSL, and CMYK formats instantly. Visual color picker, live preview, and copy-to-clipboard functionality. 100% free.
Free Online Color Palette Generator from Image
Extract a beautiful, cohesive color palette from any photograph online for free. Automatically pull dominant hex colors for web design, art, and branding.
Free Online Color Picker from Image Tool
Extract HEX and RGB colors exactly from any uploaded image using our free online eyedropper tool. Fast, precise, and 100% secure in-browser color picker.
Free Online Favicon Generator Tool
Create multi-size ICO favicons from any image instantly in your browser. 100% free, no uploads, highly secure online favicon generator for web developers.
Free Online Favicon Generator from Text
Create multi-size ICO favicons from any image instantly in your browser. 100% free, no uploads, highly secure online favicon generator for web developers.
Free Online Image Border & Frame Adder
Easily add custom colored borders and frames to your photos online for free. Adjust border thickness and color instantly in your browser. 100% private.
Free Online Image Brightness & Contrast Adjuster
Easily adjust the brightness, contrast, and saturation of any photo online for free. Fix dark pictures instantly without installing any software. 100% private.
Free Online Image Color Inverter
Invert the colors of any image instantly online. Create negative photo effects, invert black to white, and reverse colors free with our secure browser tool.
Free Online Image Compressor Tool
Compress JPG, PNG, and WebP images instantly in your browser. 100% free, secure image compressor with zero quality loss and no server uploads required.
Free Online Image Cropper Tool
Crop images online easily for free. Our fast, secure, browser-based image cropper helps you trim photos for social media perfectly with zero uploads.
Free Online Image Filter Editor
Apply beautiful Instagram-style photo filters online for free. Add sepia, grayscale, vintage, and color-wash effects instantly. 100% private in-browser editor.
Free Online Image Resizer Tool
Easily resize images by pixels or percentage for free. 100% secure, browser-based online image resizer with no upload limits. Fast, private, and instant.
Free Online Image Rotator & Flipper
Rotate, flip, and mirror your images online for free. Fix sideways photos or create mirrored effects instantly in your browser with our private tool.
Free Online Image Watermark Tool
Add a custom text watermark to your images online for free. Protect your photography and digital art instantly with our secure, browser-based watermarking tool.
Free Online Image to ASCII Art Converter
Convert any image or photo into stunning text-based ASCII art online. Free, fast, and secure in-browser generator. Customize character density and colors.
Free Online Image to PDF Converter
Convert and merge multiple JPG, PNG, or WebP images into a single PDF document. 100% free, fast, and secure browser-based tool with no uploads.
Free Online Instagram Grid Maker (Image Splitter)
Split any photo into a 3×3 grid for Instagram seamlessly. Download a perfectly sliced ZIP file instantly. 100% free, private, and runs in your browser.
Free Online JPG to PNG Converter
Convert JPG and JPEG images to PNG format online for free. Prepare images for transparency editing with our secure, fast, in-browser converter tool.
Free Online PNG to JPG Converter
Convert PNG images to JPG/JPEG format online for free. Strip transparency, reduce file sizes, and make your images universally compatible instantly.
Free Online Passport / ID Photo Maker
Create compliant passport, visa, and ID photos online for free. Crop your photo to exact standard sizes (2×2 inch, 35x45mm) instantly in your browser.
Free Online Photo Collage Maker
Create beautiful photo collages and image grids online for free. Combine multiple photos into stunning layouts instantly in your browser with our secure tool.
Free Online QR Code Generator
Create custom QR codes instantly for free. Generate scannable QR codes for links, text, emails, and Wi-Fi networks right in your browser.
Free Online SVG to PNG Converter
Convert SVG vector files to high-resolution PNG images online for free. Scale your SVG to any size before converting. 100% private in-browser conversion.
Free Online WebP Converter (JPG/PNG to WebP)
Convert JPG and PNG images to next-generation WebP format online for free. Reduce file sizes by up to 80% without losing quality for faster website loading.
Free QR Code Generator
Generate custom QR codes from any text or URL instantly. Free, fast, and no expiration dates.
Random Color Palette Generator
Generate beautiful, random 5-color palettes instantly for your web design projects. Free online color tool.
Privacy, Security, & Cryptography
Free Online Hash Generator (MD5, SHA-256)
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text instantly. Verify file integrity and create checksums online for free. 100% private.
Free Online ROT13 Encoder Decoder
Encode and decode text with ROT13 cipher instantly. A simple letter substitution that shifts each letter 13 positions in the alphabet. Free online tool.
Free Online Strong Password Generator
Instantly generate highly secure, random passwords online for free. Protect your accounts from hackers with strong cryptographic passwords that are generated securely in your browser.
Free Online UUID Generator
Generate random UUID v4 identifiers instantly for free. Create unique IDs for databases, APIs, and software development. Bulk generation supported.
MD5 Hash Generator
Instantly generate MD5 hashes from any string. Completely secure, offline browser-based hashing tool.
ROT13 Encoder/Decoder
Encode or decode secret messages using the classic ROT13 substitution cipher. Free browser tool.
SHA-256 Hash Generator
Generate secure SHA-256 hashes online. Your text never leaves your browser, ensuring 100% data privacy.
Strong Random Password Generator
Generate highly secure, random passwords instantly. Your data never leaves your browser for ultimate privacy.
UUID / GUID Generator
Instantly generate unique version 4 UUIDs (GUIDs) in your browser. Fast, free, and secure.
Math, Numbers, & Finance Tools
Age Calculator
Calculate your exact age in years, months, days, and seconds. Free online date of birth calculator.
BMI Calculator
Calculate your Body Mass Index (BMI) instantly. Free online health tool using standard metric and imperial measurements.
Binary to Text Converter
Translate Binary to Text or Text to Binary instantly. Free, secure browser utility for computer science students and developers.
Compound Interest Calculator
Calculate compound interest for your investments or savings. Free online financial calculator with real-time results.
Days Between Dates Calculator
Calculate the exact number of days, weeks, and months between two dates. 100% free online calculator.
Discount Calculator
Calculate the final sale price after applying a percentage discount. Find out exactly how much money you will save.
Free Online Age Calculator
Calculate your exact age in years, months, days, hours, and minutes. Find out how old you are down to the second, plus your next birthday countdown.
Free Online Aspect Ratio Calculator
Calculate correct width and height while maintaining aspect ratio. Perfect for images, videos, and responsive design. Supports common ratios like 16:9 and 4:3.
Free Online BMI Calculator
Calculate your Body Mass Index (BMI) instantly for free. Enter your height and weight to find out if you are underweight, healthy, overweight, or obese.
Free Online Binary, Hex, Decimal Converter
Convert numbers between binary, hexadecimal, decimal, and octal instantly for free. Essential tool for programmers, students, and computer science.
Free Online Compound Interest Calculator
Calculate how your money grows over time with the magic of compound interest. Factor in initial deposits, monthly contributions, and APY rates for free.
Free Online Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between any two dates. Perfect for project planning, age calculations, and event countdowns.
Free Online Discount Percentage Calculator
Calculate the final price after a discount. Enter original price and discount percentage to see how much you save. Works for any currency.
Free Online Electricity Cost Calculator
Calculate the electricity cost of running any appliance. Enter watts, hours of use, and rate per kWh to estimate daily, monthly, and yearly energy costs.
Free Online Fuel Cost Trip Calculator
Estimate the fuel cost of any road trip. Enter distance, fuel efficiency, and gas price to calculate how much your trip will cost. Free tool.
Free Online Grade Calculator GPA
Calculate your weighted average grade and GPA from individual assignments, tests, and courses. Free tool for students — no sign-up required.
Free Online Line Number Adder
Add line numbers to any text or code instantly. Customize the numbering format, separator, and starting number. Free online tool for developers and writers.
Free Online Loan EMI Calculator
Calculate your monthly loan EMI, total interest, and total payment instantly. Works for home loans, car loans, and personal loans. Free and private.
Free Online Mortgage Affordability Calculator
Calculate how much house you can afford based on your income, expenses, and down payment. See estimated monthly payments and maximum loan amount instantly.
Free Online Paycheck Salary Calculator
Convert your salary between hourly, weekly, bi-weekly, monthly, and annual amounts. Estimate take-home pay with simple tax deduction. Free calculator.
Free Online Percentage Calculator
Calculate percentages instantly with our free online tool. Find what percent of a number, percentage increase/decrease, and more. Fast, accurate results.
Free Online Random Number Generator
Generate true random numbers instantly. Set your custom minimum and maximum range. Perfect for giveaways, lotteries, classrooms, and gaming.
Free Online Reading Time Calculator
Calculate how long it takes to read any text. Paste your article, blog post, or document to get the estimated reading time and word count instantly.
Free Online Scientific Calculator
A full-featured scientific calculator with trigonometric, logarithmic, and exponential functions. Supports sin, cos, tan, log, ln, sqrt, and more.
Free Online Text to Binary Converter
Convert text to binary code and binary back to text. See the binary representation of each character. Free online tool for learning and encoding.
Free Online Tip Calculator
Calculate tips and split restaurant bills among friends instantly. Choose custom tip percentages, see per-person totals, and round up for easy payments.
HEX to RGB Converter
Convert HTML HEX color codes to RGB values instantly. Free online color converter for web designers.
Hex to Text Converter
Convert Hexadecimal strings to plain text or Text to Hex instantly. Free browser developer tool.
Margin & Markup Calculator
Calculate gross margin and markup percentages instantly. The perfect free online calculator for retail and e-commerce businesses.
Percentage Calculator
Calculate percentages instantly. Find out what X% of Y is, or calculate percentage increases and decreases for free online.
RGB to HEX Converter
Convert RGB color values to HTML HEX codes instantly. A free, fast color utility for developers and designers.
Random Number Generator
Generate true random numbers instantly. Set your minimum and maximum limits. 100% free online RNG tool.
Roman Numeral Converter
Translate Arabic numbers to Roman Numerals or Roman Numerals to standard numbers. Free, instant browser tool.
Tip Calculator
Easily calculate gratuity and split the final bill among multiple people. Free online tip calculator.
Time, Date, & Productivity
Free Online Countdown Timer
Set a custom countdown timer or stopwatch online for free. Fullscreen mode, sound alerts, and preset options for cooking, presentations, and workouts.
Free Online Pomodoro Timer
Boost your productivity with the Pomodoro Technique. Work in focused 25-minute intervals with 5-minute breaks. Free online timer with audio alerts.
Free Online World Clock Time Zone Converter
See the current time in cities around the world. Convert times between time zones instantly. Perfect for scheduling meetings across global teams.
Free Online YouTube Timestamp Link Generator
Create shareable YouTube links that start at a specific timestamp. Enter a YouTube URL and time to generate a direct link to any moment in a video.
Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates, or dates to Unix time. Free developer tool.
Fun, Niche, & Social Tools
Alphabetical List Sorter
Sort text lines alphabetically (A-Z or Z-A) or by length. Fast, free online sorting tool.
Morse Code Converter
Translate English text into Morse Code dots and dashes instantly. Free online cryptography tool.
Random Name Picker
Randomly pick a winner from a list of names. Free online giveaway tool for social media contests.
Remove Extra Spaces
Instantly clean up your text by removing double spaces, trailing spaces, and empty lines. 100% free online text tool.