All tools
A complete catalog of 110 free tools in 10 categories.
Developer
28JSON Formatter & Validator
Format and validate JSON instantly.
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes.
XML Formatter
Format and validate XML.
YAML Formatter
Format and validate YAML.
SQL Formatter
Format SQL queries beautifully.
JSON Diff
Compare two JSON documents.
JWT Decoder
Decode JWT tokens.
Regex Tester
Test regular expressions.
Cron Expression Parser
Explain cron expressions.
Number Base Converter
Convert between binary, octal, decimal, hex.
ASCII ↔ Hex Converter
Convert text between ASCII and hex.
Binary ↔ Text Converter
Convert between binary and text.
HTML Entities Encoder
Encode or decode HTML entities.
Multi-String Encoder
Encode text in many formats.
JSON Validator
Validate JSON syntax strictly.
JSONPath Tester
Test JSONPath queries online.
Regex Cheatsheet
Reference for all regex syntax.
Regex Generator from Text
Generate regex from sample text.
GitHub Actions YAML
Generate GitHub Actions workflow.
Dockerfile Generator
Generate clean Dockerfiles.
UUID v4 Explainer
Break down UUID structure.
Git Commit Message Generator
Generate conventional commit messages.
UUID Timestamp Extractor
Extract timestamp from UUID v7.
JSON to TypeScript
Convert JSON to TypeScript types.
JSON to CSV
Convert JSON arrays to CSV.
SQL Formatter (Advanced)
Advanced SQL formatting with indentation.
Text to Unicode Escapes
Convert text to Unicode escape sequences.
JSON to .env
Convert JSON to .env format.
Text
14Word Counter
Count words, characters, and more.
Case Converter
Convert text between different cases.
Remove Duplicate Lines
Remove duplicate lines from text.
Markdown Preview
Preview Markdown in real-time.
Text Statistics
Detailed text analysis.
Sentence Counter
Count sentences and paragraphs.
Palindrome Checker
Check if text reads the same backwards.
Reverse Text
Flip text character-by-character.
Anagram Checker
Check if words are anagrams.
Text Diff
Side-by-side text comparison.
Bullet List Converter
Convert bullet formats.
Text to Speech
Hear text spoken aloud.
ASCII Art Generator
Convert text to ASCII art.
Text Transform Chain
Chain multiple text transformations.
Converters
7Base64 Encoder & Decoder
Encode and decode text to/from Base64.
URL Encoder & Decoder
Encode and decode URLs.
Base64 to Image
Decode Base64 image strings.
Markdown to PDF
Convert Markdown to PDF locally.
HTML to Markdown
Convert HTML to Markdown.
JSON ↔ YAML Converter
Convert between JSON and YAML.
JSON to YAML (Simple)
Quick JSON to YAML conversion.
Generators
11UUID Generator
Generate UUIDs in bulk.
Password Generator
Generate secure random passwords.
Lorem Ipsum Generator
Generate placeholder text.
QR Code Generator
Generate QR codes instantly.
Barcode Generator
Generate barcodes from text.
WiFi QR Code
Share WiFi via QR code.
Random Color Generator
Generate random colors.
Random Name Picker
Pick a winner from a list.
Random Number Generator
Generate random numbers.
Password Strength Tester
Rate password strength.
Emoji Picker & Search
Search and copy emojis.
Color
9Color Picker & Converter
Pick and convert colors between formats.
Color Contrast Checker
WCAG contrast checker.
CSS Gradient Generator
Generate CSS gradients.
Gradient Text Generator
Generate gradient text CSS.
HEX ↔ RGB Converter
Convert between HEX and RGB colors.
Color Blindness Simulator
Simulate types of color blindness.
Random Background Color
Generate random page backgrounds.
Color Harmony Generator
Find complementary, triadic, analogous colors.
RGB ↔ HSL Converter
Convert between RGB and HSL.
Image
8Image Compressor
Compress images online.
Image Resizer
Resize images online.
Image Converter
Convert image formats.
SVG Optimizer
Compress SVG files.
Image to Base64
Convert images to Base64 strings.
Placeholder Image Generator
Generate placeholder images.
EXIF Data Reader
Read EXIF metadata from images.
Favicon Generator
Create a favicon from an image.
Math
4Date & Time
8Timestamp Converter
Convert Unix timestamps to dates.
Age Calculator
Calculate age precisely.
World Clock
Live world clock.
Cron Schedule Builder
Build cron expressions visually.
Countdown Timer
Live countdown to any date.
Stopwatch
Online stopwatch with laps.
Date Calculator
Add or subtract days from a date.
Timezone Converter
Convert a time across time zones.
Web
16HTML Formatter
Beautify and format HTML.
CSS Formatter
Format and minify CSS.
CSS Minifier
Minify and optimize CSS code.
JavaScript Beautifier
Format and beautify JavaScript.
CSS Selector Tester
Test CSS selectors against HTML.
Favicon from Emoji
Make a favicon from an emoji.
Open Graph Image Generator
Generate OG images with SVG.
HTML Entity Table
Lookup HTML entity codes.
Formatted Lorem Ipsum
Generate styled placeholder HTML.
Unicode Character Table
Browse and search Unicode characters.
Markdown to HTML
Convert Markdown to HTML.
HTTP Status Codes
Reference for all HTTP status codes.
Markdown Table Generator
Generate Markdown tables from data.
Meta Tag Generator
Generate SEO meta tags.
robots.txt Generator
Build a robots.txt file.
Sitemap Generator
Generate an XML sitemap.