JSON Formatter
HotFormat, minify, escape, and convert Unicode in JSON
JSON Editor
HotVisually edit JSON data, supports code mode and tree mode with real-time sync
HTML Formatter
Quickly format and beautify HTML code
JavaScript Formatter
Quickly format and beautify JavaScript code, supports ES6+
CSS Formatter
Quickly format and beautify CSS code
SQL Formatter
Quickly format and beautify SQL statements
HTTP Tester
HotTest HTTP/HTTPS APIs online, supports GET, POST, PUT, DELETE and more
WebSocket Tester
Test WebSocket connections online, view message history in real-time
Regex Tester
Test regular expressions online with real-time match results
File Hash Calculator
Calculate MD5, SHA-1, SHA-256 hashes of files, processed locally without upload
Text Encoder/Decoder
Encode/decode Base64, URL, HTML entities, and generate MD5 hashes
Text Diff
HotCompare two texts and highlight differences, supports line-by-line and character-by-character comparison
Cron Expression Generator
NewGenerate and parse Cron expressions with second precision, preview next 5 execution times
JWT Parser
Parse JWT tokens, view Header, Payload, and Signature information
Nginx Config Generator
Generate various Nginx configuration files online, covering basic, security, advanced, and application scenarios
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JSON ⇄ XML
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JSON ⇄ YAML
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JSON ⇄ Query String
Convert between JSON and URL Query String formats with automatic encoding/decoding
Docker Run ⇄ Compose
Convert between Docker Run commands and Docker Compose configuration files
CSV/Excel to JSON
NewConvert CSV or Excel files to JSON format, supports multiple sheets
Image Base64 Encoder
Convert between images and Base64 encoding, supports upload, drag & drop, and paste
Color Converter
Convert between HEX, RGB, HSL, CMYK and other color formats
App Icon Generator
NewUpload one image and generate all iOS, Android, macOS, watchOS, and Web app icons in one click
Password Generator
Generate secure random passwords with custom length and character types, batch generation supported
Image Color Picker
Upload or paste an image, click to extract pixel colors in HEX, RGB, HSL and more