ChatPDF vs ReadDocs vs Collate vs TLDR This

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

Your tool
ChatPDF
vs
Competitor 1
ReadDocs
Competitor 2
Collate
Competitor 3
TLDR This
Compare
4 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.
Remove
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
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
Make main Remove
Competitor TLDR This
tldrthis.com
TLDR This turns long articles, web pages and documents into short summaries that are quick to read.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
744visits/mo
4.1Kvisits/mo
—
MoM change
—
▲ 141.6%
▼ 59.8%
—
6-month growth
—
—
-0.1%
—
Global rank web
—
—
#4,822,608
—
Avg. last 3 months
—
384
8.9K
—
Bounce rate lower is better
—
39%
37%
—
Pages / visit
—
1.1
1.3
—
Visit duration
—
—
2s
—
Traffic sources
—
—
—
—
ChatPDFReadDocsCollateTLDR This
03.3K6.5K9.8K13.1KReadDocs · 101ReadDocs · 308ReadDocs · 744Collate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1K1001K10K100KReadDocs · 101ReadDocs · 308ReadDocs · 744Collate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Freemium
Freemium
—
Starting price
Free
Free tier
$9.99per month · free tier available
—
Free tier
–
Free trial
–
–
–
–
API access
–
–
–
Plans
—
Free FreePro £9.99/moBusiness £29/mo
Free Custom
—
Capabilities input → output
Input
DocumentsTextWeb pages
DocumentsImagesText
Documents
DocumentsTextWeb pages
Output
Text
Text
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Tasks what each tool can do · 4 shared · core   partial
Tasks covered
12
13
10
8
Summarizing
Document summarization
PDF summaries
Summaries
Interactive PDF processing
–
PDF analysis
–
PDFs
–
Document chat
–
–
Document summaries
–
–
Document reading
–
–
Article summaries
–
–
–
Document q a
–
–
–
Website summaries
–
–
–
Local AI
–
–
–
OCR
–
–
–
Official documents q a
–
–
–
PDF translations
–
–
–
Research
–
–
–
Academic research
–
–
–
Homework assistance
–
–
–
Meeting summaries
–
–
–
YouTube summaries
–
–
–
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
–
–
–
–

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.