Developer Tools
Tools for developers and programmers. Find all the developer tools you need in one place, running 100% in your browser for total privacy.
JSON Beautifier
Format, validate, and beautify your JSON code.
CSV ↔ JSON
Convert CSV data to JSON and vice-versa.
YAML ↔ JSON
Convert between YAML and JSON formats.
Regex Tester
Test and debug Regular Expressions with real-time matching.
JWT Decoder
Decode JSON Web Tokens and view payload data instantly.
Base64 Text
Encode or decode Base64 strings
Base64 ↔ File
Convert any file to Base64 and vice-versa with drag-drop.
URL Encoder/Decoder
Encode or decode URL strings
Hash Generator
Generate MD5, SHA-256, and other hashes
Color Picker
Pick and convert colors between formats
Markdown Preview
Write and preview Markdown in real-time
Random Number Generator
Generate random numbers in a range
SQL Formatter
Beautify and format your SQL queries for better readability.
Placeholder Image Generator
Generate custom placeholder images with custom text and sizes.
Contrast Checker
Check color contrast for accessibility compliance (WCAG).
CSS Gradient Generator
Create beautiful CSS gradients visually.
Code Beautifier
Format, beautify, and minify your HTML, CSS, and JS code.
Color Converter
Convert colors between HEX, RGB, and HSL formats instantly.
CSS Minifier
Minify CSS code by removing comments and unnecessary spaces.
HTML Minifier
Minify HTML markup for lighter and faster pages.
JavaScript Minifier
Minify JavaScript source code quickly in your browser.
YAML Validator
Validate YAML and preview parsed output.
JSON Schema Validator
Validate JSON data against a JSON schema.
JSONPath Tester
Test JSONPath-style selectors against JSON documents.
Code Diff Viewer
Compare two code versions side by side.
String Escaper
Escape and unescape strings for HTML, JSON, and URL contexts.
CSV Validator
Validate CSV structure and detect malformed rows.
CSV Analyzer
Analyze CSV datasets with row, column, and quality stats.
Data Generator
Generate sample datasets for testing and prototyping.
Android Resource Resizer
Use this android resource resizer tool with fast, local browser-side processing.
API Documentation Generator
Generate api documentation generator output directly in your browser.
API Request Tester
Test api request tester behavior and get instant browser-based feedback.
Cron Expression Tester
Test cron expression tester behavior and get instant browser-based feedback.
Cron Job Generator
Generate cron job generator output directly in your browser.
Database Schema Designer
Create and edit database schema designer configurations directly in your browser.
Data Visualization
Use this data visualization tool with fast, local browser-side processing.
Docker Compose Generator
Generate docker compose generator output directly in your browser.
Excel to JSON
Convert excel to json data instantly with browser-side processing.
Git Ignore Generator
Generate git ignore generator output directly in your browser.
GraphQL Query Tester
Test graphql query tester behavior and get instant browser-based feedback.
.htaccess Generator
Generate .htaccess generator output directly in your browser.
Keyboard Test
Test keyboard test behavior and get instant browser-based feedback.
Nginx Config Generator
Generate nginx config generator output directly in your browser.
SQL Query Builder
Create and edit sql query builder configurations directly in your browser.
Swagger UI Generator
Generate swagger ui generator output directly in your browser.
URL Parser Builder
Create and edit url parser builder configurations directly in your browser.