PDF tools / Compare
Nitro PDF vs UPDF
Both do 1 of the same PDF tools task. 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
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.comB
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: 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.
- 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: 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.
- 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: Trial starts through a signup page. Not stated for the free online tools.
- 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: The page says the trial has no watermarks. Not stated for other cases.
- B: Yes. The free version adds a trial watermark when saving edited, annotated, protected or organized documents.
- Where files go
- A: Not stated. The terms page points to the privacy policy and data processing agreement for data handling.
- 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 2026-11-01. 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 Nitro PDF: PDF to Word
- Only UPDF: OCR PDF
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