Input JSON
Secure and Local JSON Processing
Beautify nested structures with customizable indentation sizes and detect missing elements or syntax errors instantly with real-time editor alerts.
Convert parsed JSON structures into readable YAML configurations or standard XML documents cleanly without needing separate tools.
Instantly translate complex JSON objects into strongly-typed TypeScript interfaces to accelerate your application development process.
Our system automatically detects Base64 encoded strings, prompts a one-click decode, and formats the inner JSON structure if present.
Uploading JSON files containing proprietary configurations, API credentials, or database records to public web tools is a major security risk. DevUsta JSON Prettier guarantees 100% data isolation by running all formatting, syntax checking, and multi-format exports locally in your browser memory. No tracking cookies are used for data, and zero network bytes are transmitted.
Everything you need to know about the DevUsta Tools platform.
Secure and Local JWT Analysis
Secure Diff Checker
Format and minify complex SQL queries instantly in your browser.
Build, test, and master regular expressions with a comprehensive cheat sheet and real-time match highlighting.
Secure and local scratchpad.
Convert client-side terminal cURL commands into clean JavaScript Fetch or Axios requests instantly.
Test and debug your local development APIs (localhost) completely offline in your browser. Send custom HTTP requests with headers, parameters, and payloads instantly.
Professional video editing and conversion directly in your browser with FFmpeg.wasm.
Safely record your screen, webcam, and microphone entirely inside your browser without server uploads. 100% Private.
Professional browser-based Secure PDF tool. Sign documents, merge files, sanitize metadata, and compress PDF with 100% client-side security. No uploads, total privacy.
Secure and Local SVG Optimization
Compress, resize, and remove metadata from images 100% locally in your browser.
Squoosh-Style Offline Visual Compressor
%100 Private online Base64 converter. Encode and decode files or text locally in your browser using high-speed WebAssembly. Safe, offline, and no data tracking.
Create custom QR codes with logos, colors, and unique shapes. Scan QR codes securely from your camera or images. Everything runs locally in your browser for maximum privacy.
Analyze your domain's DNS records (A, MX, TXT, CNAME) in real-time across Google & Cloudflare. Perform free security health checks for SPF, DMARC, and DNSSEC.
Generate highly secure passwords and measure their strength offline.
Securely decode and analyze your SSL/TLS certificates (.crt, .pem) entirely offline in your browser.
Create custom placeholder images for your design mockups and web development instantly without external dependencies.
Create gorgeous multi-layered CSS box shadows, text shadows, linear/radial gradients, and glassmorphism presets completely offline.