FreeToolBox – 61 free browser-based tools with local file processing

Summary: FreeToolBox offers 61 free online tools for PDF, image, video, and developer tasks that run entirely in the browser using WebAssembly. Files are processed locally without uploading to servers, ensuring privacy and no file size limits.

What it does

It provides tools to compress, convert, merge, split, and edit PDFs, images, and videos, plus developer utilities like JSON formatting and hash generation, all running offline in the browser.

Who it's for

Users needing diverse file manipulation tools without uploading files or creating accounts, including those handling sensitive documents or seeking free alternatives to paid software.

Why it matters

It eliminates the need to upload files to external servers, protecting user privacy while offering a comprehensive, free toolkit without subscriptions or watermarks.