PDF24 vs PDFsam Basic

as AI assistants see them, week of 2026-09-21

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PDF24 edges out PDFsam Basic overall, with an overall score of 10 versus 6 and a wider footprint at 14 of 68 answers compared to 7 of 68. Head-to-head, PDF24 comes out ahead on 8 questions, PDFsam Basic on 2, with 10 ties. PDF24 shows up most for browser-based editing and compressing large PDFs, each 2 of 4 answers, while PDFsam Basic is named in every one of the 4 answers about merging, splitting and reordering PDF pages. PDF24 is never mentioned for OCR, privacy, or PDF-to-Word conversion, and PDFsam Basic is never named for browser editing or redaction.

Head to head

metric	PDF24	PDFsam Basic
score	10	6
questions won	11	4

By assistant

PDF24

assistant	score	named in, this week	usual spot, this week
ChatGPT	7	10% of answers	#3.5
Claude	8	15% of answers	#7.7
Gemini	not sampled this week
Perplexity	15	20% of answers	#3.0

PDFsam Basic

assistant	score	named in, this week	usual spot, this week
ChatGPT	5	5% of answers	#1.0
Claude	11	20% of answers	#6.8
Gemini	not sampled this week
Perplexity	5	5% of answers	#1.0

Where they differ

Only PDF24 gets named for

What's the best tool to edit a PDF without a subscription?
What's the best tool to compress a large PDF?
What's the best online PDF editor that works in the browser?
What's the best PDF editor for Windows?
What's the best tool to redact or remove sensitive text from a PDF?
What are the best PDF editors in 2026?
What's the best tool to fill in and sign a PDF form?
Which PDF editor is best value for a small business?

Only PDFsam Basic gets named for

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