Remove author, creation date, and other identifiable info.
Combine multiple PDF files into a single document. You can reorder the files and manage the list before merging.
Physically delete sensitive text and images from the document. You can select the areas you want to redact using your mouse.
Reduce file size using WASM-powered compression.
Split and extract selected page range into a new PDF.
Most online PDF tools upload your sensitive documents to their servers. DevUsta uses cutting-edge WebAssembly technology to process everything directly in your browser. Your files never leave your device, ensuring 100% privacy.
Professional, privacy-first PDF redaction and optimization.
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.
Compress, resize, and remove metadata from images 100% locally in your browser.
%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.
Format, validate, and beautify your raw JSON data instantly with a sleek, premium developer workstation interface.
Secure and Local JWT Analysis
Secure and Local SVG Optimization
Squoosh-Style Offline Visual Compressor
Secure Diff Checker
Format and minify complex SQL queries instantly in your browser.
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.
Convert client-side terminal cURL commands into clean JavaScript Fetch or Axios requests instantly.
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.