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JSON Formatter & Validator
Format, validate, and beautify JSON in seconds
Base64 Encoder/Decoder
Encode text or files to Base64 and decode back
Regex Tester
Test regular expressions with real-time highlighting
Color Converter
Convert between HEX, RGB, HSL, and more
URL Encoder/Decoder
Encode and decode URL components instantly
UUID Generator
Generate random UUIDs v4 for unique identifiers
Password Generator
Create strong, secure passwords with custom options
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes
Timestamp Converter
Convert between Unix timestamps and human-readable dates
Number Base Converter
Convert between binary, octal, decimal, and hexadecimal
Image Compressor
Compress images without losing quality
Image Format Converter
Convert images between JPG, PNG, WebP, and more
PDF Merger
Merge multiple PDFs into one document
Word & Character Counter
Count words, characters, sentences, and reading time
Text Case Converter
Convert text between UPPER, lower, Title, camelCase and more
Lorem Ipsum Generator
Generate placeholder text for mockups and designs
Text Diff Checker
Compare two texts and highlight the differences
Text Repeater
Repeat text multiple times with custom separators
QR Code Generator
Create custom QR codes for URLs, text, WiFi, and more
HTML Entity Converter
Encode and decode HTML entities like & and <
CSS Minifier
Minify and compress CSS code to reduce file size
SQL Formatter
Format and beautify SQL queries for better readability
JSON to YAML Converter
Convert JSON data to YAML format and vice versa
String Escaper/Unescaper
Escape and unescape special characters in strings
HTML Tag Stripper
Remove all HTML tags from text, keeping only content
JWT Decoder
Decode JWT tokens and inspect header, payload, and signature
Cron Expression Parser
Parse cron expressions and get human-readable schedules
Text to Binary Converter
Convert text to binary code and binary back to text
HTML Preview
Write and preview HTML code in real-time in a sandbox
CSV Viewer & Formatter
View CSV data in a formatted table with auto-detection
IP Subnet Calculator
Calculate network subnet, CIDR, broadcast, and host range
JWT Generator
Generate JWT tokens with custom header and payload
Text to URL Slug
Convert text into clean, SEO-friendly URL slugs
Text Sorter
Sort lines alphabetically, reverse, or by length
Line Deduplicator
Remove duplicate lines from text while preserving order
Text Reverser
Reverse text, words, or lines instantly
Random String Generator
Generate random strings with custom characters and length
Palindrome Checker
Check if text reads the same forwards and backwards
Morse Code Converter
Convert text to Morse code and Morse code to text
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Weight Converter
Convert between kilograms, pounds, ounces, and more
Length Converter
Convert between meters, feet, inches, kilometers, and miles
Data Size Converter
Convert between bytes, KB, MB, GB, TB, and more
Speed Converter
Convert between km/h, mph, knots, m/s and more
Area Converter
Convert between square meters, acres, hectares, sq ft
Image to Base64
Convert images to Base64 data URI for inline embedding
Random Number Generator
Generate random numbers within a custom range
Image to PDF
Convert images (JPG, PNG) into a single PDF document
PDF Splitter
Split PDF by page ranges or extract specific pages
PDF Rotator
Rotate PDF pages by 90, 180, or 270 degrees
PDF Page Remover
Remove unwanted pages from your PDF documents
Image Cropper
Crop images by dragging a selection area on canvas
Image Resizer
Resize images to exact dimensions with aspect ratio lock
Image Filters
Apply grayscale, sepia, blur, brightness, and contrast filters
Color Picker from Image
Pick colors from uploaded images or use the color selector
GIF Maker
Create animated GIFs from multiple images
Image Watermark
Add text watermark to images with position and opacity control
Image Merger
Combine multiple images into one side by side or grid
Image Splitter
Split an image into tiles by rows and columns
Image Flip & Rotate
Flip horizontally, vertically, or rotate images
Image Border
Add customizable borders and frames to images
Meme Generator
Create memes by adding top and bottom text to images
Image to Sketch
Convert photos into pencil sketch drawings
Emoji Remover
Remove all emoji characters from text while keeping words
Unicode Character Detector
Inspect Unicode characters with codepoint and category info
Caesar Cipher
Encode and decode text using Caesar shift cipher
JSON Diff
Compare two JSON objects and highlight differences
HTTP Status Codes
Browse and search all HTTP status codes with descriptions
Markdown to HTML
Convert Markdown text to formatted HTML in real-time
Time Zone Converter
Convert time between different world time zones
Binary to Text
Convert binary code to text and text back to binary
Image Invert
Invert or negate colors in an image instantly
Photo Collage Maker
Combine multiple photos into a beautiful collage
CSS Gradient Generator
Create beautiful linear and radial CSS gradients
CSS Box Shadow Generator
Design and preview custom CSS box shadows visually
JSON to TypeScript
Convert JSON objects into TypeScript interfaces
HTML to JSX Converter
Convert HTML code into React JSX syntax
Color Palette Generator
Generate color schemes: monochromatic, complementary, and more
Roman Numeral Converter
Convert between Roman numerals and Arabic numbers
Percentage Calculator
Calculate percentages, what if, increase/decrease easily
Tip Calculator
Calculate tip amount, total bill, and per-person cost
Age Calculator
Calculate exact age in years, months, and days
BMI Calculator
Calculate Body Mass Index and check your health category
Countdown Timer
Set a countdown to any date and time
Dice Roller
Roll virtual dice with various sides (d4 to d20)
Decision Maker
Let fate decide — pick a random option from your list
Audio Cutter
Trim and cut audio files with waveform preview
Audio Merger
Combine multiple audio files into one track
Audio Converter
Convert audio between WAV formats and sample rates
DNS Lookup
Look up DNS records: A, AAAA, MX, NS, TXT, CNAME
WHOIS Lookup
Look up domain registration and ownership information
SVG to PNG Converter
Convert SVG code or files to PNG images
Days Between Dates
Calculate the exact number of days between two dates
Password Strength Checker
Test how strong your password is with real-time analysis
Barcode Generator
Generate barcodes in Code128, EAN-13, Code39 formats
Aspect Ratio Calculator
Calculate aspect ratios from dimensions or presets
QR Code Reader
Decode QR codes from uploaded images
Color Blindness Simulator
Simulate how images look with various color blindness types
Online Notepad
A simple browser-based notepad with auto-save
Text Statistics
Detailed text analysis: letters, vowels, unique words, and more
Latest from Blog
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How to Format JSON Online Free — Complete Guide
Learn how to format, validate, and beautify JSON quickly using free online tools. Fix malformed JSON in seconds.
Developer Tools · 6 min read
Base64 Encoding Explained — When and Why to Use It
A complete guide to Base64 encoding and decoding. Learn what it is, how it works, and when to use it in your projects.
Developer Tools · 8 min read
Regex for Beginners: How to Test Regular Expressions Online
Learn regex from scratch. Patterns, quantifiers, groups, and how to test them in real-time with our free tester.
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