ChatPDF vs Collate vs LightPDF

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

Your tool
ChatPDF
vs
Competitor 1
Collate
Competitor 2
LightPDF
Competitor 3
Suggested competitors for ChatPDF: PDF.ai91% Smallpdf AI PDF91% Adobe Acrobat90% ReadDocs90% iLovePDF AI Summarizer88% TLDR This87% UPDF87% AI Summarizer86%
Compare
3 tools · best value per row highlighted
Your tool 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 LightPDF
lightpdf.com
LightPDF AI for Docs is an online tool that utilizes artificial intelligence to summarize and extract insights from uploaded PDF, Word, Excel, and PPT documents. With multi-platform availability and s
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Traffic estimated monthly website traffic
Monthly visits
—
4.1Kvisits/mo
1.8Mvisits/mo
MoM change
—
▼ 59.8%
▲ 1.0%
6-month growth
—
-0.1%
-4.4%
Global rank web
—
#4,822,608
#34,433
Avg. last 3 months
—
8.9K
1.7M
Bounce rate lower is better
—
37%
51%
Pages / visit
—
1.3
2.3
Visit duration
—
2s
1m 31s
Traffic sources
—
—
● Direct 88% · ● Referral 10%
ChatPDFCollateLightPDF
0477.3K954.5K1.4M1.9MCollate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1KLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8M1K10K100K1M10MCollate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1KLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Starting price
Free
$9.99per month · free tier available
$1.33per month · free tier available
Free tier
Free trial
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–
API access
–
–
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Plans
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Free Custom
Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
Capabilities input → output
Input
DocumentsTextWeb pages
Documents
DocumentsWeb pages
Output
Text
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
1
8
9
Document summarization
Summarizing
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PDF analysis
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PDFs
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Data extraction
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Document data extraction
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–
PDF summaries
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–
Interactive PDF processing
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OCR
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–
Text extraction
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–
Document processing
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–
Document reading
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–
Summaries
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–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
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.