Smallpdf AI PDF vs ChatPDF vs Collate vs ReadDocs

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Smallpdf AI PDF
vs
Competitor 1
ChatPDF
Competitor 2
Collate
Competitor 3
ReadDocs
Compare
4 tools · best value per row highlighted
Your tool Smallpdf AI PDF
smallpdf.com
Smallpdf AI PDF, also called Chat with PDF, lets you upload a document and talk to it.
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Competitor ChatPDF
chatpdf.com
ChatPDF is a document question-answering app: upload a PDF, ask questions in plain language, and get answers with built-in citations that point back to the source passage.
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Competitor Collate
collate.one
Collate is a free, offline PDF assistant designed for everyday learners, students, and professionals who want to take control of their PDFs. With Collate, you can: • Summarize PDFs: Turn lengthy doc
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Competitor ReadDocs
readdocs.co.uk
Upload a PDF contract and ReadDocs spits out a one-minute summary, bullet points, and answers to specific questions you ask
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Traffic estimated monthly website traffic
Monthly visits
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4.1Kvisits/mo
744visits/mo
MoM change
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▼ 59.8%
▲ 141.6%
6-month growth
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-0.1%
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Global rank web
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#4,822,608
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Avg. last 3 months
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8.9K
384
Bounce rate lower is better
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37%
39%
Pages / visit
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1.3
1.1
Visit duration
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2s
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Traffic sources
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Smallpdf AI PDFChatPDFCollateReadDocs
03.3K6.5K9.8K13.1KCollate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1KReadDocs · 101ReadDocs · 308ReadDocs · 7441001K10K100KCollate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1KReadDocs · 101ReadDocs · 308ReadDocs · 744Nov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Free
Freemium
Freemium
Starting price
€6per month · free tier available
Free
$9.99per month · free tier available
Free tier
Free tier
Free trial
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API access
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Plans
Pro €7.50/moTeam (2-100 users) €6/mo
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Free Custom
Free FreePro £9.99/moBusiness £29/mo
Capabilities input → output
Input
DocumentsText
DocumentsTextWeb pages
Documents
DocumentsImagesText
Output
Text
Text
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
7
7
8
10
Summarizing
Document summarization
PDF summaries
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PDFs
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Interactive PDF processing
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Summaries
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PDF analysis
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Document chat
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Document summaries
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Homework assistance
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OCR
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Official documents q a
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Research
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Academic research
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Document data extraction
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Document reading
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Meeting summaries
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
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Saves
0
0
0
0
Reviews
0
0
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Prompts
0
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Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.