Code formatters, validators, and generators · 22 tools
Format JSON, encode Base64, generate UUIDs, and more. Essential utilities for developers who want quick, reliable results without leaving the browser.
Minify CSS files to reduce page load time
Beautify and format JavaScript code
Write HTML and preview it in real time
Minify HTML code to reduce file size
Minify JavaScript code for production deployment
Write and test TypeScript code in the browser
Test and debug regular expressions with live matching
Format and beautify SQL queries for readability
Format and validate XML documents
Format and validate YAML files
Convert Markdown text to clean HTML code
Convert CSV data to JSON format
Convert JSON data to CSV format
Convert SQL CREATE TABLE statements or queries to JSON
Send HTTP requests and test API endpoints
Decode and inspect JWT tokens
Build and validate cron expressions for scheduled tasks
Decode HTML entities and special characters back to readable text
Convert colors between HEX, RGB, HSL, and other formats
Format JSON, encode Base64, generate UUIDs, or test a regular expression with local browser tools. API Tester instead sends request details through Tool-web's server to the destination API. Check each tool's processing note before entering credentials or confidential data.
Best for: Debug JSON data quickly
Best for: Quickly encode credentials for APIs
Best for: Generate unique identifiers for databases
22
Tools
6
Popular
3
New
100%
Free