Reduce file size without sacrificing visual quality using advanced browser-based algorithms.
Scale images to exact dimensions for social media, passports, or web optimization.
Pixel-perfect cropping tool with real-time coordinate control.
Remove GPS, device info, and timestamps from your photos with one click.
Add text or logo watermarks to protect your work and maintain brand consistency.
Enhance your photos with brightness, contrast, and grayscale filters processed 100% locally.
Create a complete bundle of favicons, apple-touch icons, and web manifest for your website.
Securely and permanently hide sensitive data (passwords, emails, faces) using our Rust/WASM engine.
Batch convert any image format (HEIC, PNG, JPG, WebP, AVIF) to your preferred format 100% locally.
Select the tool you need from the left toolbar: Privacy Mask, Cropper, or Resizer.
Drag and drop your image into the workspace. All processing happens locally on your device for maximum security.
Adjust parameters based on the selected tool. For privacy, create mask areas directly on the image with real-time preview.
Click 'Apply' to let the Rust/WASM engine finalize the changes, and download your high-quality result instantly.
Unlike other online tools, DevUsta never uploads your photos to a server. We use WebAssembly (WASM) and Rust to perform all image processing locally on your device. Your data remains in your RAM and is never stored or transmitted, ensuring total privacy for sensitive documents like passport photos.
Learn more about EXIF metadata and how WebAssembly keeps your data secure.
Professional, privacy-first image compression and resizing.
Professional video editing and conversion directly in your browser with FFmpeg.wasm.
Professional browser-based Secure PDF. Merge multiple PDF files, sanitize metadata, split pages, and compress size with 100% client-side security.
Format, validate, and beautify your JSON data with a sleek, user-friendly interface.
Secure and Local JWT Analysis
Secure and Local SVG Optimization
Secure Diff Checker