Data And Dev Tools Tools
Explore our collection of 10 free data and dev tools tools. All tools are fast, secure, and work directly in your browser.
JSON Formatter & Validator
Prettify JSON instantly and catch syntax errors before they ship.
XML ↔ JSON Converter
Bi-directional converter that understands attributes, arrays, and nested data.
JWT Decoder (No Secret)
Inspect JWT headers and payloads safely without providing a signing key.
UUID / NanoID Generator
Generate batches of RFC 4122 UUIDs and collision-resistant NanoIDs.
Regex Tester
Evaluate JavaScript regular expressions with instant match breakdowns.
Cron Expression Generator
Build cron expressions with readable explanations.
JSON Compare / Diff Tool
Spot differences between two JSON payloads with precise JSONPath pointers.
Markdown ↔ HTML Converter
Convert Markdown to HTML or HTML back to Markdown automatically.
QR Code Generator
Create crisp, shareable QR codes for URLs, Wi-Fi logins, or promo campaigns.
QR Code Reader
Decode QR codes directly in your browser—no uploads or external APIs.
Why Use Our Data And Dev Tools Tools?
✓ 100% Free
All our data and dev tools tools are completely free to use with no hidden costs or premium tiers.
✓ Privacy First
Your data is processed locally in your browser. We don't store or transmit your information.
✓ No Sign-Up
Start using any tool immediately. No registration, no email required.
✓ Fast & Reliable
Client-side processing ensures instant results without server delays.