OnDevicePDF is a free suite of 25+ PDF tools (merge, split, compress, convert, OCR, sign, redact, protect) that runs in the browser. 22 of its 23 tools process files entirely on-device โ nothing is uploaded, no account is needed, and there are no watermarks or daily limits. The one exception (a few advanced PDF Editor operations) uses a temporary, auto-deleted backend and is disclosed on a per-tool data-handling page. Works offline after first load (PWA); also available as a Chrome extension.
A startup from Tirugudumetta, India that is founded by Ravi Chandu Edru.
On-device processing
22 of 23 tools run entirely in your browser โ files are never uploaded to a server.
No account required
Every tool works without signup, and no watermarks are added.
Works offline
After the first load, most tools work with no internet connection (installable PWA).
Number of tools
25+ across organizing, converting, securing, and optimizing PDFs.
On-device OCR
Extract text from scanned PDFs locally using a self-hosted engine (Tesseract via WebAssembly).
Local encryption
Password-protect and unlock PDFs in-browser with AES-256 โ password never leaves your device.
Transparency
A per-tool data-handling page discloses the one tool that uses a temporary, auto-deleted backend.
We have collected here some useful links to help you find out if OnDevicePDF is good.
Check the traffic stats of OnDevicePDF on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
Check the "Domain Rating" of OnDevicePDF on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of OnDevicePDF's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.
Check the "Domain Authority" of OnDevicePDF on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.
The latest comments about OnDevicePDF on Reddit. This can help you find out how popualr the product is and what people think about it.
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