Original Text
Auto Detectā¾
Modified Text (New)
Secure Diff Checker
Copy and paste your original text in the left pane and the modified version in the right pane.
Our Rust-based engine highlights additions, deletions, and modifications in real-time as you type.
Navigate through changes with synchronized scrolling and a high-density professional layout.
All processing happens in your browser's memory. Your sensitive data never leaves your computer.
Our tool provides a professional-grade comparison engine directly in your browser. Whether you are comparing code, configuration files, or simple text, we ensure your data stays 100% private while giving you high-performance visual feedback.
Everything you need to know about the DevUsta Tools platform.
Format, validate, and beautify your raw JSON data instantly with a sleek, premium developer workstation interface.
Secure and Local JWT Analysis
Format and minify complex SQL queries instantly in your browser.
Convert client-side terminal cURL commands into clean JavaScript Fetch or Axios requests 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.
Build, test, and master regular expressions with a comprehensive cheat sheet and real-time match highlighting.
Secure and local scratchpad.
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.
Test and debug your local development APIs (localhost) completely offline in your browser. Send custom HTTP requests with headers, parameters, and payloads instantly.