PDF tools / Compare
Adobe Acrobat online vs Lumin
Both do 2 of the same PDF tools tasks. Below is what each says about its own limits and pricing, and how each ranks on signals we can measure or quote.
Disclosure: agathox makes some of the tools listed here. They are labelled and scored by the same method as every other tool.
A
Adobe Acrobat online
Adobe's free online PDF tools, from Adobe, Inc.
Signals score: 3.9 / 5 · not a hands-on test
Visit www.adobe.com/acrobat/online.htmlB
Lumin
Automate agreements from draft to signature through one secure platform. Document creation, editing, and eSignatures trusted by 140+ million users worldwide.
Signals score: 3.8 / 5 · not a hands-on test
Visit www.luminpdf.comPricing, limits and privacy
- Free tier
- A: Free tools with limits per tool, for example merge up to 100 files and 1,500 pages, split up to 1 GB and 1,500 pages, Word to PDF up to 100 MB, compress up to 2 GB with limited use. PDF to Word has a daily limit whose number is not stated.
- B: Free plan at $0: basic PDF editing, basic eSignatures, annotation of up to 3 docs, plus mobile and desktop apps. The limit is 3 docs per month; a doc counts once you share, download, print or sync it.
- Paid plan
- A: Acrobat Standard from US$14.99 a month on an annual plan billed monthly, US$179.88 a year prepaid, or US$24.99 month to month.
- B: In USD: Starter from $9/month (10 docs per month); Pro $19/month per team (200 docs per month team-wide); Business $99/month per team; Enterprise is custom. All plans have a 7-day free trial. The page does not explain annual versus monthly billing and does not mention country-based pricing.
- Signup
- A: Depends on the tool. Merge and compress say no signup; split, OCR and edit ask you to sign in to download; Fill & Sign requires it.
- B: Not stated directly. The Free plan and trials link to a sign-up page.
- Watermark
- A: Merge and PDF to JPG say no watermark. Not stated for the other tools.
- B: Not stated.
- Where files go
- A: Files are uploaded to Adobe's cloud servers and deleted unless you sign in and save them. No retention time is stated.
- B: Per the privacy policy, all Lumin servers are in the United States. Files are processed for tasks like OCR and compression, including with OpenAI and Google Gemini integrations. File copies are kept only if you upload, convert or share them. Account deletion removes files within 30 days of request, though another section says immediately.
From each tool's own pages, checked 2026-10-31 (Adobe Acrobat online) and 2026-11-01 (Lumin). Prices and limits change; check the tool before you rely on them. Sources are listed on each tool's page.
Compare on a task
Neither tool has been hands-on tested on these tasks yet, and we do not guess. Open a task to see both ranked with every other tool.
- Only Adobe Acrobat online: Merge PDF, Split PDF, Compress PDF, Word to PDF, PDF to Word, PDF to JPG, Protect PDF, OCR PDF
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