Developer Tools

Essential tools for developers

11 free tools available - all processing done locally in your browser

Format, validate, and beautify JSON data

Encode and decode Base64 strings

Encode and decode URLs and query parameters

Generate MD5, SHA-1, SHA-256 hashes

Generate unique identifiers (UUIDs)

Preview and convert Markdown to HTML

Convert between JSON, CSV, XML, YAML and other data formats

Test and build regular expressions with live matching

Compare text and code differences side-by-side

Test REST API endpoints with custom headers and body

Generate CSS for box shadows, gradients, borders, and animations

Why Choose Utildex Developer Tools?

• 100% Free: All developer tools tools are completely free to use

• Local Processing: Your data never leaves your device

• No Registration: Start using tools immediately

• Privacy First: No data collection or tracking

• Works Offline: Tools function without internet after loading

• Fast & Secure: Instant results with maximum security