Vellum
Free PDF tools that never see your files
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Vellum - Free PDF tools that never see your files

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Vellum is a suite of free PDF tools — merge, split, compress, OCR, convert, sign, redact — that run entirely in your browser. Nothing is uploaded: cut your Wi-Fi and it still works. No account, no quota, no watermark. Built in Switzerland.

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Hi Product Hunt! I built Vellum because every online PDF tool asks the same thing: upload your file first. For a contract, a payslip or a medical report, that's exactly the wrong deal. Vellum does the work in your browser (WebAssembly does the heavy lifting — OCR included), so there is nothing to upload, nothing to delete, nothing to trust. It's free with no caps because there is no server bill to ration. Try the airplane-mode test: open a tool, cut your Wi-Fi, process your file. Happy to answer anything about how it works under the hood.