Nitro PDF vs Smallpdf

as AI assistants see them, week of 2026-10-26

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Nitro PDF and Smallpdf land in a near tie, each named in 26 of 83 answers, with overall scores of 14 and 16 out of 100. Smallpdf edges ahead on ChatGPT (12 vs 8) and Perplexity (15 vs 11), while Claude rates Nitro PDF slightly higher (23 vs 21). Head-to-head, Smallpdf gets named more often in 7 questions, Nitro PDF in 6, and they tie in 12. Nitro PDF shows up most for Adobe Acrobat alternatives and PDF-XChange Editor comparisons, while Smallpdf leads for browser-based PDF editors. Neither tool is ever mentioned for OCR or free PDF editor questions.

Head to head

metric	Nitro PDF	Smallpdf
score	14	18
questions won	12	14

By assistant

Nitro PDF

assistant	score	named in, this week	usual spot, this week
ChatGPT	8	25% of answers	#4.2
Claude	21	35% of answers	#5.4
Gemini	not sampled this week
Perplexity	not sampled this week

Smallpdf

assistant	score	named in, this week	usual spot, this week
ChatGPT	14	20% of answers	#4.0
Claude	24	60% of answers	#7.8
Gemini	not sampled this week
Perplexity	not sampled this week

Where they differ

Only Nitro PDF gets named for

Which PDF editor is best value for a small business?
What are the best alternatives to PDF-XChange Editor?
What are the best alternatives to Preview?
What's the best tool to edit a PDF without a subscription?

Only Smallpdf gets named for

What's the best online PDF editor that works in the browser?
What's the best tool to fill in and sign a PDF form?
What's the best tool to compress a large PDF?
What's the best PDF editor app for iPhone or Android?
What's the best tool to merge, split and reorder PDF pages?
Which PDF tool is best for privacy and sensitive documents?

More comparisons

Not sold on either?

Scores count how often each assistant names a product, weighted by position. How the score works · Full PDF editors leaderboard