Alternatives
Products that do what Acrion does
100% Client-Side PDF Toolkit. No uploads, absolute privacy.
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Hi HN, I have been working on a set of PDF tools that does all the processing directly in the web browser. From time to time I needed to do some simple PDF manipulations like merging PDF files. Sometimes the files contain my personal data and I was not comfortable using other online services where the file usually is uploaded to a remote server. Behind the scenes there is a small library written in C++ doing the changes to the PDF files. I am using the Emscripten compiler to compile it to WebAssembly that is running in the browser. It was a very good learning for me and it was easier than I…
2023 · pdfux.com
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Free online tools for images, PDFs & more - 100% private
Feb 2026 · privacyfirst.tools
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100% Safe, local browser-based PDF tools with no uploads
Jun 2026 · omnipdf-pro.vercel.app
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Hi HN! I built PDFly — a PDF toolkit that runs entirely client-side. No file uploads, no server processing, no account needed. It has 56 tools including merge, split, compress, convert, redact, compare, and an AI chat feature to ask questions about your PDF content. Everything runs in your browser using [mention your tech stack if relevant, e.g., WASM/JS libraries]. Would love feedback on the tools, UX, or anything else!
Jul 2026 · pdfly.uk
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watermarks, or upload your sensitive files to their server
May 2026 · pdftara.com
- 15FP
I recently needed to verify past employment and to do so I was going to upload paystubs from a previous employer, however I didn't want to share my salary in that role. I did a quick search online and most sites required sign-up or weren't clear about document privacy. I conceded and signed up for a free trial of Adobe Acrobat so I could use their PDF redaction feature. I figured there should be a dead simple way of doing this that's private, so I decided to create it myself. What this does is rasterize each page to an image with your redactions burned in, then it rebuilds the PDF so the…
Apr 2026 · redactpdf.net
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Secure, Free & Unlimited PDF Tools. No Sign-ups.
Feb 2026 · universal-pdf-tool.vercel.app
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