About SnapTools
SnapTools is a collection of 101 free utilities — PDF tools, image and video converters, calculators, text and developer tools — with one unusual property: everything runs inside your browser. When you merge a PDF, compress a video, sign a contract or extract text from a photo here, the file is processed by code running on your own device. It is never uploaded to us, because there is nothing to upload it to: SnapTools has no file servers.
How it actually works
Modern browsers can do real work: the Canvas API re-encodes images, pdf-lib builds PDF files, WebAssembly runs the same ffmpeg and Tesseract OCR engines used on desktop, and the Web Crypto API handles encryption. SnapTools packages these capabilities behind simple interfaces. The only things downloaded are the tools themselves — for the heavy ones (video, OCR), a processing engine fetched once from a CDN and cached by your browser.
Why on-device matters
Most "free online tools" work by uploading your file to a server, processing it there, and letting you download the result. That means your contract, ID scan, family photo or financial spreadsheet sits on someone else’s machine, subject to their retention policy and their breaches. On-device processing removes that risk category entirely: your files cannot leak from a server they never reached.
The honest trade-offs
On-device has costs, and we would rather state them than hide them: heavy jobs like video compression run single-threaded in the browser and take roughly as long as the clip itself. Some conversions professionals need (like high-fidelity PDF to Word) are not honestly achievable in a browser, so we do not offer fake versions of them. Where a tool has limits — OCR on handwriting, sharpening a truly out-of-focus photo — the tool page says so plainly.
How the site is funded
SnapTools is free, with no accounts, no watermarks and no usage limits. The site shows ads to cover its costs. Ads never affect how the tools work, and because processing is local, advertisers never see the contents of your files either.
Questions, bugs, requests
Something broken, or a tool you wish existed? Tell us via the contact page. Bug reports with the exact input that failed are gold. You can also read the guides for the concepts behind the tools, or check the privacy policy for specifics on data handling.