PDF tools / Compare
Adobe Acrobat online vs UPDF
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
UPDF
Create, edit, annotate, convert, translate, and sign PDFs with UPDF. Use AI to understand documents faster and work seamlessly across Windows, Mac, iOS, Android, and the web.
Signals score: 3.9 / 5 · not a hands-on test
Visit updf.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 version adds a trial watermark when saving. Free limits listed: 1 GB cloud storage with 10 MB per file, 2 file conversions per day, 5 OCR uses, batch processing of 2 files, AI assistant with 5 PDFs and 100 questions. The page contradicts itself on some limits.
- 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: UPDF Pro is a yearly auto-renewing plan or a one-time lifetime purchase, covering 4 devices. AI Assistant is yearly, quarterly or monthly. 30-day money-back guarantee. Prices for these plans are Not stated in the page text I could read.
- 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. A pop-up says to sign in to get free access to some features, but it is unclear whether an account is needed for every use.
- Watermark
- A: Merge and PDF to JPG say no watermark. Not stated for the other tools.
- B: Yes. The free version adds a trial watermark when saving edited, annotated, protected or organized documents.
- 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: UPDF Cloud and AI features upload documents to UPDF Cloud, stored in data centers in the user's region. AI-processed content is said not to be used to train general-purpose AI models. Personal data is kept while the account is active. No retention period is given for uploaded documents. The policy does not say whether desktop editing is local only.
From each tool's own pages, checked 2026-10-31 (Adobe Acrobat online) and 2026-11-01 (UPDF). 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, Sign PDF, Word to PDF, PDF to Word, PDF to JPG, Protect PDF
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