All Developer Tools
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JSON Formatter
Prettify, minify, and validate JSON with syntax highlighting
Base64 Encoder/Decoder
Encode and decode Base64 strings and files
URL Encoder/Decoder
Encode and decode URLs for safe transmission
String Case Converter
Convert between different text cases
JWT Decoder
Decode and inspect JWT tokens
Hash Generator
Generate MD5, SHA1, SHA256 hashes
UUID Generator
Generate UUIDs v1, v4, v5 with customizable options
Regex Tester
Test regular expressions with real-time matching
Lorem Ipsum Generator
Generate placeholder text for your projects
File Converter
Convert between different file formats
Markdown ↔ HTML
Convert Markdown to HTML and vice versa
CSV Parser
Parse and convert CSV files
Text Diff Checker
Compare text differences
JSON Merge Tool
Compare and merge JSON objects
YAML ↔ JSON
Convert between YAML and JSON formats
.env Formatter
Format and organize environment files
Gitignore Generator
Generate .gitignore files for your projects
HTTP Request Tester
Test API endpoints with custom headers and body
Dockerfile Generator
Generate Dockerfiles for your applications
Timestamp Converter
Convert UNIX timestamps to human readable dates
Code Beautifier
Beautify and minify your code
SQL Formatter
Format and beautify raw SQL queries
cURL Converter
Convert cURL commands to JavaScript Fetch or Axios
Cron Expression Helper
Create and understand cron expressions
Timezone Converter
Convert between different timezones
Countdown Timer
Create countdown timers
IP & DNS Lookup
Lookup IP and DNS information
Network Tools
Ping and traceroute visualization
User Agent Parser
Parse and analyze user agent strings
Color Converter
Convert between HEX, RGB, HSL color formats
Font Previewer
Preview and compare fonts
Favicon Generator
Generate favicons for your website
Contrast Checker
Check color contrast against WCAG guidelines
JSON to TypeScript
Generate strictly typed interfaces directly from JSON
Token Counter
Count tokens for GPT, Claude, Llama and other LLMs
JSON → TOON
Convert JSON to TOON format for smaller LLM context
YAML → TOON
Convert YAML to TOON format for token savings
Prompt Optimizer
Minify prompts to reduce token count