tooldo
9 free tools that run entirely in your browser
What it does
Most free file tools upload your file to their server first. Tooldo doesn't, every tool runs entirely in your browser using WebAssembly, so there's no server that could receive your file. 9 tools, no accounts, no uploads, open source.
Convert, compress, and clean up your files with nine tools that run right in your browser. No account, no uploads, no catch.
Convert, compress, clean, and edit files directly in your browser. Everything runs on your device, so your files stay private. No accounts. No cloud processing. The everyday fixes you keep googling — gathered in one place, made properly, always free. There's no server doing the work, so your files are never uploaded and nobody sees them but you. Close the tab and they're gone. Drop a whole folder, set your options once, and take the lot back in a single pass. No twenty clicks, no waiting on one file at a time. Every tool shares the same buttons, spacing, and motion. Learn one and you've learned the rest. Add tooldo to your home screen and the tools you've opened keep working with no…from tooldo.online
Does the same job
all alternatives →- FCFile converters and 75 tools that run in the browserMar 2026 · ▲6
Most file converter sites upload your files to their servers. File Converter Free runs everything client-side using WebAssembly — your files never leave your device. 215+ formats across conversion and compression, 75+ browser-based tools for PDF, dev utilities, text, calculators and network diagnostics — all available in 9 languages. Built this solo. What tools do you wish ran client-side but currently don't? https://file-converter-free.com/en/tools
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