🛠️ Developer Tools Suite

Free online tools for developers - JSON, Base64, URL, JWT, and more

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Monthly Requests
100K+
Active Developers
10+
Free Tools
JSON Formatter & Validator
Format, validate, and beautify your JSON data. Instant syntax highlighting and error detection.
Input JSON Paste or type JSON
Formatted Output

                    

Examples

Simple Object Array of Objects Nested Object
String to JSON Converter
Convert string representation to valid JSON. Parse and validate JSON strings instantly.
Input String
JSON Output

                    
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 to text. Perfect for API tokens and data transfer.
Text Input
Base64 Output
URL Encode & Decode
Encode special characters in URLs or decode percent-encoded strings.
Input Text/URL
Output
JWT Token Decoder
Decode JWT tokens and view header, payload, and signature. Validate token structure.
JWT Token
Decoded Payload

                    
HTML Entity Encoder & Decoder
Encode special characters to HTML entities or decode them back to text.
Input Text/HTML
Output
SQL Formatter & Beautifier
Format and beautify your SQL queries. Make messy SQL readable and organized.
Input SQL
Formatted SQL
CSS & JavaScript Minifier
Minify CSS and JavaScript code. Remove whitespace and comments for production.
Input CSS/JS
Minified Output

✨ Why Developers Love Our Tools

Lightning Fast

Instant results with zero waiting

Privacy First

No data stored, completely secure

Mobile Friendly

Use on any device, anywhere

Developer Focused

Built by developers, for developers