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The tools developers reach for every single day. Optimized for speed and productivity.
JSON Formatter
Format, validate & beautify JSON
Base64 Encode/Decode
Encode or decode Base64 strings
URL Encoder/Decoder
Encode or decode URL strings
JWT Decoder
Decode & inspect JWT tokens
SQL Formatter
Format & beautify SQL queries
Code Beautifier
Beautify code in multiple languages
String Utilities
Manipulate and analyze text strings
UUID Generator
Generate random UUIDs
Browse by Category
Everything organized for your workflow.
JSON Tools
16 toolsJSON Formatter
Format, validate & beautify JSON
JSON to YAML
Convert JSON to YAML format
JSON to CSV
Convert JSON arrays to CSV
JSON to XML
Convert JSON to XML format
JSON to TypeScript
Generate TypeScript interfaces from JSON
JSON Path Finder
Find and extract JSON paths
JSON Diff
Compare two JSON objects
JSON Minifier
Minify JSON code
JSON Escape/Unescape
Escape or unescape JSON strings
JSONL Converter
Convert JSON Lines to JSON array
JSON to TypeScript
Convert JSON to TypeScript interface
JSON Linter
Lint and format JSON
JSON Path Builder
Visual JSON path builder
JSON to Table
Visual JSON table viewer
JSON Schema Generator
Generate JSON Schema from JSON
JSON Compare
Compare and merge JSON objects
Encoders & Decoders
17 toolsBase64 Encode/Decode
Encode or decode Base64 strings
URL Encoder/Decoder
Encode or decode URL strings
HTML Encoder/Decoder
Encode or decode HTML entities
JWT Decoder
Decode & inspect JWT tokens
JWT Generator
Generate JWT tokens
Unicode Converter
Convert to/from Unicode
Image to Base64
Convert images to Base64 strings
String Escape/Unescape
Escape or unescape strings
Text to Binary
Convert text to binary and vice versa
Base64 Image Decoder
Decode base64 to images
Base64 Encoder/Decoder
Encode/decode Base64
Morse Code Converter
Convert text to/from Morse code
HTML Entity Encoder/Decoder
Encode/decode HTML entities
Percent Encoder/Decoder
Encode/decode percent encoding
HTML Entity Decoder
Decode HTML entities
Binary to Text
Decode binary to text
Base64 to Image
Decode base64 to image
Formatters
16 toolsSQL Formatter
Format & beautify SQL queries
XML Formatter
Format & beautify XML
HTML Formatter
Format & beautify HTML
CSS Formatter/Minifier
Format or minify CSS code
Code Beautifier
Beautify code in multiple languages
JavaScript Formatter
Format or minify JavaScript
Markdown Preview
Preview markdown in real-time
YAML Formatter
Format & beautify YAML
TOML Formatter
Format TOML files
GraphQL Formatter
Format & beautify GraphQL queries
Code Minifier
Minify HTML, CSS, and JavaScript
Multi-language Code Formatter
Format code in multiple languages
HTML Minifier
Minify HTML code
JavaScript Minifier
Minify JavaScript code
SQL Query Formatter
Format and beautify SQL queries
Multi-Language Code Formatter
Format code in multiple languages
Generators
21 toolsUUID Generator
Generate random UUIDs
Password Generator
Generate secure passwords
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes
Lorem Ipsum Generator
Generate placeholder text
QR Code Generator
Generate QR codes instantly
Cron Expression Builder
Build cron expressions visually
Meta Tag Generator
Generate SEO meta tags
Slug Generator
Generate URL-friendly slugs
Random String Generator
Generate random strings
.gitignore Generator
Generate .gitignore files
robots.txt Generator
Generate robots.txt files
Sitemap Generator
Generate XML sitemaps
Dockerfile Generator
Generate Dockerfiles
README Generator
Generate README files
.env File Generator
Generate .env files
Git Commit Message Generator
Generate conventional commit messages
Favicon Generator
Generate favicons in all sizes
QR Code Reader
Decode QR codes from images
Fake Data Generator
Generate fake test data
Barcode Generator
Generate barcodes
API Key Generator
Generate secure API keys
Converters
16 toolsTimestamp Converter
Convert Unix timestamps
Color Converter
Convert HEX, RGB, HSL colors
Number Base Converter
Convert between number bases
Unit Converter
Convert units of measurement
Case Converter
Convert text case
CSV to JSON
Convert CSV to JSON
YAML to JSON
Convert YAML to JSON
XML to JSON
Convert XML to JSON
Markdown to HTML
Convert Markdown to HTML
HTML to Markdown
Convert HTML to Markdown
CSV to Markdown Table
Convert CSV to Markdown table
Roman Numeral Converter
Convert numbers to/from Roman numerals
Markdown to HTML
Convert Markdown to HTML
Image Format Converter
Convert between image formats
JSON to GraphQL
Convert JSON to GraphQL schema
Base64 Image Converter
Convert images to/from Base64
Validators & Testers
15 toolsRegex Tester
Test regular expressions
Diff Checker
Compare two texts
JSON Schema Validator
Validate JSON against schema
Email Validator
Validate email addresses
Cron Expression Tester
Test cron expressions
IP Address Validator
Validate IPv4 and IPv6 addresses
UUID Validator
Validate UUID format
Credit Card Validator
Validate credit card numbers
JWT Validator
Validate JWT tokens
CSV Validator
Validate CSV structure
XML Validator
Validate XML syntax
YAML Validator
Validate YAML syntax
Color Contrast Checker
Check WCAG color contrast
Regex Pattern Generator
Generate and test regex patterns
.env File Validator
Validate environment variable files
Text Tools
25 toolsString Utilities
Manipulate and analyze text strings
Text Counter
Count words, characters, lines
Text Diff
Compare two text files
Remove Duplicate Lines
Remove duplicate lines from text
Sort Lines
Sort lines alphabetically
Markdown Table Generator
Generate markdown tables
CSV to Markdown Table
Convert CSV to markdown table
ASCII Art Generator
Generate ASCII art from text
Text Reverser
Reverse text/strings
Text Inverter
Invert case (uppercase ↔ lowercase)
Text Rotator
Rotate text (ROT13, ROT47)
Text Shuffler
Shuffle characters/words
Text Replacer
Find and replace with regex
Text Extractor
Extract specific patterns
Word Frequency Counter
Count word frequency in text
Palindrome Checker
Check if text is a palindrome
Anagram Generator
Generate anagrams from words
Text to Slug Converter
Convert text to URL-friendly slugs
Text Statistics Analyzer
Analyze text statistics
Emoji Picker
Copy emojis easily
Unicode Lookup
Lookup Unicode characters
Word Frequency Counter
Count word frequencies
Line Counter
Count lines in text
Regex Replacer
Find and replace with regex
Markdown Editor
Live markdown editor with preview
CSS Tools
21 toolsBox Shadow Generator
Generate CSS box shadows
Border Radius Generator
Generate border-radius CSS
Gradient Generator
Create CSS gradients
Flexbox Playground
Learn flexbox interactively
Color Picker
Pick colors and get formats
CSS Specificity Calculator
Calculate CSS selector specificity
CSS Animation Generator
Generate CSS keyframe animations
Text Shadow Generator
Generate CSS text shadows
CSS Transform Generator
Generate CSS transforms
CSS Grid Playground
Learn CSS Grid interactively
Clip Path Generator
Generate CSS clip-path
Backdrop Filter Generator
Generate CSS backdrop filters
CSS Variable Generator
Generate CSS custom properties
Font Pairing Generator
Generate font pairings
Color Palette Generator
Generate color palettes
Hex to RGB Converter
Convert hex to RGB
RGB to Hex Converter
Convert RGB to hex
HSL to RGB Converter
Convert HSL to RGB
Color Shades Generator
Generate color shades and tints
CSS Clip Path Generator
Generate CSS clip-path values
CSS Animation Generator
Generate CSS animations visually
Misc Tools
13 toolsChmod Calculator
Calculate Unix permissions
HTTP Status Codes
HTTP status code reference
cURL Converter
Convert cURL to code
.htaccess Generator
Generate .htaccess rules
Text to Speech
Convert text to speech
Speech to Text
Convert speech to text
File Extension Lookup
Lookup file extensions
Pomodoro Timer
Focus timer with breaks
Stopwatch
Simple stopwatch with laps
SQL Query Builder
Visual SQL query builder
Flow Builder
Visual flowchart builder - Canva-level ease, Linear-level precision
WiFi QR Code Generator
Share WiFi via QR Code
Cron Generator
Visual Cron Editor
Web Tools
14 toolsSEO Analyzer
Analyze and improve your SEO
UTM Builder
Build Google Analytics URLs
URL Parser
Parse URLs into components
Query String Parser
Parse and build query strings
URL Shortener
Shorten URLs instantly
User Agent Parser
Parse user agent strings
Viewport/Responsive Design Tester
Test responsive designs
Browser Compatibility Checker
Check CSS/JS browser support
MIME Type Lookup
Lookup MIME types
Responsive Design Tester
Test website on different devices
JWT Debugger
Decode & Inspect JWTs
Keyboard Event Viewer
Visualize Keyboard Events
Regex Tester
Test Regular Expressions
CSS Unit Converter
Convert CSS Units
Network & API
12 toolsHTTP Status Code Lookup
Lookup HTTP status codes
API Response Formatter
Format API responses
Webhook Tester
Test webhook endpoints
CORS Checker
Check CORS headers
API Tester
Test REST APIs
IP Address Lookup
Lookup IP address information
HTTP Headers Parser
Parse HTTP headers
API Mock Response Builder
Build mock API responses
Webhook Payload Tester
Test webhook payloads
DNS Lookup
Check DNS records
HTTP Request Builder
Build and test HTTP requests
Webhook Builder
Build and test webhooks
Security Tools
6 toolsHMAC Generator
Generate HMAC signatures
RSA Key Generator
Generate RSA key pairs
Checksum Calculator
Calculate checksums
XSS Sanitizer
Sanitize HTML to prevent XSS
Password Strength Checker
Check password strength
Password Strength Checker
Test password strength
Image Tools
18 toolsAspect Ratio Calculator
Calculate image & video aspect ratios
Image Metadata Extractor
Extract EXIF/metadata from images
Color Palette Extractor
Extract color palette from images
Image Resizer
Resize images
SVG Optimizer
Optimize SVG code
Image Compressor
Compress images to reduce file size
Image Cropper
Crop images with interactive selection
Image Rotator & Flipper
Rotate and flip images
Image Filters
Apply filters and effects to images
Image Watermarker
Add watermarks to images
Image Merger
Merge multiple images together
GIF Frame Extractor
Extract frames from GIF images
GIF Creator
Create GIFs from images
Image to ASCII Art
Convert images to ASCII art
SVG to PNG/JPEG
Convert SVG to raster formats
Image Metadata Viewer
View EXIF and image metadata
Device Mockup Generator
Create device mockups
Social Media Image Resizer
Resize for social media
Video Tools
4 toolsTime & Date
6 toolsTime Zone Converter
Convert between time zones
Date Calculator
Add/subtract days, weeks, months
Age Calculator
Calculate age from birthdate
Business Days Calculator
Calculate business days between dates
ISO 8601 Formatter
Format dates in ISO 8601
Epoch Converter
Convert Unix timestamps
File Tools
5 toolsCode Analysis
11 toolsCode Line Counter
Count lines, functions, classes in code
Code Complexity Calculator
Calculate cyclomatic complexity
Dependency Parser
Parse package dependencies
License Identifier
Identify software licenses
Code Indentation Fixer
Fix inconsistent indentation
Regex Tester
Test regular expressions
Regex Cheat Sheet
Regular expression reference
Code Snippet Generator
Generate code snippets
Error Decoder
Decode and analyze errors
Performance Monitor
Monitor browser performance
Code Comment Remover
Remove comments from code
Documentation
5 toolsAPI Documentation Generator
Generate API docs
Changelog Generator
Generate changelogs
Code Comment Generator
Generate code comments
Contributing Guide Generator
Generate CONTRIBUTING.md
API Documentation Generator
Generate API docs from endpoints
PDF Tools
8 toolsPDF Merger
Merge multiple PDFs
PDF Splitter
Split PDF into multiple files
PDF Metadata Extractor
Extract PDF metadata
PDF to Images
Convert PDF pages to images
PDF Page Rotator
Rotate PDF pages
PDF Page Deleter
Delete pages from PDF
PDF to Text
Extract text from PDF
PDF Compressor
Compress PDF files
Calculators
6 toolsTip Calculator
Calculate restaurant tips
Loan/EMI Calculator
Calculate loan EMI
Mortgage Calculator
Calculate mortgage payments
Compound Interest Calculator
Calculate compound interest
Percentage Calculator
Calculate percentages
BMI Calculator
Calculate Body Mass Index
AI Tools
12 toolsAI Text Summarizer
Summarize text with AI
Sentiment Analyzer
Analyze text sentiment with AI
Language Detector
Detect text language with AI
Text Paraphrase Tool
Paraphrase text with AI
Named Entity Recognition
Extract entities from text
Text Similarity Checker
Compare text similarity with AI
AI Code Explainer
Explain code with AI
AI Keyword Extractor
Extract keywords from text
Text Classifier
Classify text with AI
AI Code Reviewer
Review code with AI
AI Text Translator
Translate text with AI
AI Text Generator
Generate text with AI
Social Media
6 toolsInstagram Caption Spacer
Add line breaks to Instagram captions
Tweet to Image
Convert tweets to images
Social Media Image Resizer
Resize images for social media
Instagram Fonts Generator
Generate Instagram fonts
YouTube Thumbnail Downloader
Download YouTube thumbnails
Hashtag Generator
Generate hashtags for social media