LightPDF vs ChatPDF vs Collate vs ReadDocs

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

Your tool
LightPDF
vs
Competitor 1
ChatPDF
Competitor 2
Collate
Competitor 3
ReadDocs
Compare
4 tools · best value per row highlighted
Your tool 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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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
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
1.8Mvisits/mo
—
4.1Kvisits/mo
744visits/mo
MoM change
▲ 1.0%
—
▼ 59.8%
▲ 141.6%
6-month growth
-4.4%
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-0.1%
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Global rank web
#34,433
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#4,822,608
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Avg. last 3 months
1.7M
—
8.9K
384
Bounce rate lower is better
51%
—
37%
39%
Pages / visit
2.3
—
1.3
1.1
Visit duration
1m 31s
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2s
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Traffic sources
● Direct 88% · ● Referral 10%
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LightPDFChatPDFCollateReadDocs
0477.3K954.5K1.4M1.9MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MCollate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1KReadDocs · 101ReadDocs · 308ReadDocs · 7441001K10K100K1M10MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MCollate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1KReadDocs · 101ReadDocs · 308ReadDocs · 744Nov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Freemium
Starting price
$1.33per 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
Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
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Free Custom
Free FreePro £9.99/moBusiness £29/mo
Capabilities input → output
Input
DocumentsWeb pages
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 · 3 shared · core   partial
Tasks covered
9
12
10
13
Summarizing
Document summarization
PDF analysis
PDF summaries
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Interactive PDF processing
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PDFs
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Summaries
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Document chat
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OCR
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Document reading
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Data extraction
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Document data extraction
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Document q a
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Document summaries
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Local AI
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Official documents q a
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PDF translations
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Research
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Text extraction
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Academic research
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Document processing
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Homework assistance
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Meeting summaries
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YouTube 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
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.