All Free Online Tools

Browse all 150+ free online tools by category — image, PDF, converters, calculators, SEO, text and developer utilities. Free, fast and private.

Free, fast, and runs entirely in your browser — no signup, no upload to a server.

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All tools

• Image Compressor
• Image Resizer
• Image Cropper
• JPG to PNG
• PNG to JPG
• Image to Base64
• Base64 to Image
• QR Code Generator
• Image Watermark
• Image Rotator
• Color Picker from Image
• Brightness & Contrast
• Grayscale Filter
• Sepia Filter
• Blur Image
• Flip Image
• Image Info
• Video to Audio
• Merge PDF
• Split PDF
• Compress PDF
• Rotate PDF
• PDF Watermark
• PDF to Image
• Image to PDF
• Reorder PDF Pages
• Length Converter
• Weight Converter
• Temperature Converter
• Area Converter
• Volume Converter
• Speed Converter
• Time Converter
• Energy Converter
• Pressure Converter
• Fuel Converter
• Data Storage Converter
• Angle Converter
• Frequency Converter
• Power Converter
• Force Converter
• Density Converter
• Torque Converter
• Electric Current Converter
• Voltage Converter
• Resistance Converter
• Capacitance Converter
• Inductance Converter
• Luminance Converter
• Illuminance Converter
• Magnetic Field Converter
• Radioactivity Converter
• Acceleration Converter
• Flow Rate Converter
• Viscosity Converter
• Cooking Converter
• Age Calculator
• GST Calculator
• EMI Calculator
• Percentage Calculator
• Profit Margin Calculator
• Currency Converter
• Date Difference
• Discount Calculator
• Average Calculator
• Random Number Generator
• Prime Checker
• Roman Numeral Converter
• Factorial Calculator
• LCM & GCD Calculator
• Tip Calculator
• JSON Formatter
• JSON Validator
• Regex Tester
• HTML Minifier
• CSS Minifier
• JS Minifier
• UUID Generator
• Meta Tag Generator
• Robots.txt Generator
• Sitemap Generator
• Keyword Density Checker
• HTML Formatter
• CSS Formatter
• JS Formatter
• Slug Generator
• URL Analyzer
• SEO Title Analyzer
• SEO Description Analyzer
• Open Graph Generator
• Schema Markup Generator
• HTTP Status Codes
• Chmod Calculator
• Cron Expression Generator
• CSS Unit Converter
• URL Shortener
• URL Expander
• SEO Meta Tag Analyzer
• YouTube Video Title Generator
• YouTube Description Generator
• YouTube Tags Generator
• Word Counter
• Case Converter
• Text Cleaner
• Text Compare
• Text to Slug
• Remove Duplicate Lines
• Reverse Text
• Random Text Generator
• Find & Replace
• Text to Speech
• Lorem Ipsum Generator
• Markdown to HTML
• HTML to Markdown
• Fancy Text Generator
• Text Repeater
• Text Sorter
• Base64 Encode/Decode
• Text Encrypt/Decrypt
• Palindrome Checker
• Remove Special Characters
• Text to Binary
• Morse Code Encoder
• Morse Code Decoder
• URL Encoder
• URL Decoder
• Base64 Encoder
• Base64 Decoder
• Hex to Text
• Text to Hex
• HTML Encode
• HTML Decode
• JSON Minifier
• CSV to JSON
• JSON to CSV
• XML Minifier
• CSV Formatter
• Minify JSON
• SQL Minifier
• Find Unique Words
• Find Duplicate Words
• Text Statistics
• Remove Numbers
• Remove Alphabets
• Text to ASCII
• ASCII to Text
• Text Mirror
• Remove HTML Tags
• Text Shuffler
• Count Vowels & Consonants
• Invert Case
• Text to Unicode
• Unicode to Text
• Find Longest Word
• Find Shortest Word
• Count Words Starting with Letter
• Count Words Ending with Letter
• Count Word Occurrences
• Extract Numbers
• Extract Emails
• HEX to RGB
• RGB to HEX
• Gradient Generator
• Random Color Generator
• Color Palette Creator
• Contrast Checker
• Color Shade Generator
• Color Mixer
• CSS Color Names
• HSL Color Picker
• Password Generator
• Password Strength Checker
• SHA256 Generator
• MD5 Generator
• Random String Generator
• Hash Comparator
• JWT Decoder
• Caesar Cipher
• Morse Code Converter
• Pomodoro Timer
• Focus Timer
• Sleep Calculator
• Daily Planner
• BMI Calculator
• Calorie Calculator
• Water Intake Calculator
• Ideal Weight Calculator
• Pregnancy Due Date Calculator
• Body Fat Calculator
• WhatsApp Link Generator
• WhatsApp Message Link
• WhatsApp Chat Without Saving
• WhatsApp Text Formatter
• Base64 File Encoder
• URL Encoder/Decoder
• HTML Encode/Decode
• XML Formatter
• Random Data Generator
• SQL Formatter
• YAML to JSON
• CSV Viewer
• Diff Checker
• Typing Speed Test
• Random Name Generator
• Emoji Picker
• Hashtag Generator
• Quote Generator
• Countdown Timer
• Stopwatch
• Word Scrambler
• Number to Words
• Binary to Text
• Word Frequency Counter
• Affirmation Generator
• Social Media Post Scheduler
• Social Media Hashtag Generator
• Dice Roller
• Coin Flipper
• Magic 8 Ball
• Would You Rather
• Truth or Dare
• Rock Paper Scissors

By category

• Image Tools
• PDF Tools
• Unit Converters
• Calculators
• Developer & SEO
• Text & Writing
• Color Tools
• Password & Security
• Productivity
• Health & Fitness
• WhatsApp Tools
• Random & Fun
• File & Data

Sources and further reading

• Google Search Central — page experience — How Google evaluates fast, stable, privacy-respecting pages.
• MDN Web Docs — Mozilla's open reference for the browser APIs these tools run on.
• W3C standards — The open specifications behind the web platform.
• web.dev by Google — Practical guidance on performance and web quality.