About MGToolbox

MGToolbox was founded with a singular conviction: online utilities should never compromise your digital privacy or require uploading confidential files to remote cloud servers.

Most online converter and tool websites upload your documents, sensitive resumes, photos, and videos to their private servers, where they may be logged, analyzed, or retained indefinitely. MGToolbox takes the complete opposite approach. Every tool on our platform runs 100% locally in your client web browser.

We leverage modern open web standards including WebAssembly (Wasm), Web Workers, the HTML5 Canvas API, Web Audio API, and the browser File System API. By shifting compute workloads directly to your device hardware, your files are processed with lightning speed and without server bandwidth or file size constraints.

Because all processing is executed locally on your machine, your confidential spreadsheets, resumes, scanned PDF documents, and media files remain strictly private. When you close the browser tab, memory is cleanly reclaimed by your operating system.

Our platform provides over 30+ everyday utilities across multiple disciplines:

• Document & PDF Utilities: In-browser PDF editor, text box annotations, resume builder, spreadsheet and Excel editor, and file format conversions.

• Media & Creative: Image compressor, photo resizer, JPG/PNG/WebP converters, background remover, video cutter, and audio extractors.

• Developer & Engineering Tools: JSON formatters and validators, Base64 enc/dec, hash generators, JWT decoders, and CSV-to-JSON converters.

MGToolbox is accessible from any modern web browser across desktop and mobile devices without requiring software downloads, browser extensions, or account registrations. With built-in Progressive Web App (PWA) support, many tools are fully functional offline.

Have questions, suggestions, or tool requests? We are always eager to hear from our community. Contact our development team at contact@mgtoolbox.com.