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Website, pricing, platforms and company facts side by side.
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| Website | filetopdf.com | opalstack.com |
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| Platforms | — | |
| Company | 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


FILE2PDF is a privacy-first PDF toolkit. Compress, merge, split, sign, OCR, and edit PDFs — most operations run locally in your browser, so your files never leave your device. No watermarks, no daily limits, no forced signup. EU-hosted, GDPR-compliant. One-time payment option instead of forced...
No description of Opalstack yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing FILE2PDF and Opalstack.
FILE2PDF's answer
Independent professionals and small teams.
FILE2PDF's answer
FILE2PDF runs most operations — compress, merge, split, sign, organize, watermark — directly in your browser, so your files never get uploaded to a server. Combined with no watermarks, no daily task limits, and no forced signup on the free tier, it removes the friction and privacy trade-offs that come with most online PDF tools.
FILE2PDF's answer
Unlike iLovePDF, Smallpdf, or Adobe, most FILE2PDF tools process files locally in your browser instead of uploading them to a stranger's server. There are no watermarks on output, no daily limits, and no subscription lock-in — a one-time payment unlocks Pro. For the few operations that need server processing (OCR, format conversion), files are EU-hosted.
FILE2PDF's answer
Privacy-conscious individuals and professionals who handle sensitive documents — contracts, tax forms, legal and HR paperwork — and don't want to upload them to third-party servers. It also serves anyone frustrated by watermarks, daily caps, and forced subscriptions on mainstream PDF tools.
FILE2PDF's answer
FILE2PDF was built by a solo indie developer who was uncomfortable uploading sensitive documents to PDF tools owned by companies he'd never heard of. The goal: a fast, clean PDF toolkit that processes files in the browser whenever possible, stays affordable with a one-time payment option, and runs lean on EU infrastructure rather than expensive cloud platforms.
FILE2PDF's answer
React 19, Vite, and TypeScript on the frontend with WebAssembly-based PDF processing in the browser. Node.js and Express on the backend for operations that require server-side handling (OCR, format conversion), hosted in the EU. Authentication via Supabase, payments via Paddle.
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PDF24 is a free to use PDF creator, converter, and virtual printer.
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xfxPDF is a free collection of 16 PDF tools that run entirely in your browser. Your files never leave your device, so they stay private. Sign, crop, rotate, merge, split, compress and convert PDFs. No signup, no watermarks, works on mobile.
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Learn how to edit PDF files using Adobe Acrobat DC and change text and images quickly and easily in PDF documents. Start your free trial and try the PDF editor.
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