PDF tools / Compare
Adobe Acrobat online vs Nitro PDF
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
Nitro PDF
Simplify how your business works. Streamline document workflows, boost productivity, and ensure data security with Nitro's powerful PDF & eSign solutions.
Signals score: 4.2 / 5 · not a hands-on test
Visit www.gonitro.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: No ongoing free tier described. A 14-day free trial with no credit card covers PDF editing and eSign, with the page saying no features locked. Free online conversion tools are mentioned without 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: Prices not shown on the fetched page. Nitro PDF Standard is per user per month billed annually; Plus is contact sales; Classic is a one-time payment for a three-year term (Windows only). Tax is added at checkout.
- 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: Trial starts through a signup page. Not stated for the free online tools.
- Watermark
- A: Merge and PDF to JPG say no watermark. Not stated for the other tools.
- B: The page says the trial has no watermarks. Not stated for other cases.
- 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: Not stated. The terms page points to the privacy policy and data processing agreement for data handling.
From each tool's own pages, checked 2026-10-31 (Adobe Acrobat online) and 2026-11-01 (Nitro PDF). 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 JPG, Protect PDF, OCR PDF
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