LightPDF vs ReadDocs vs ChatPDF vs AI PDF Reader

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

Your tool
LightPDF
vs
Competitor 1
ReadDocs
Competitor 2
ChatPDF
Competitor 3
APAI PDF Reader
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 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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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 APAI PDF Reader
aipdfreader.net
Upload a PDF and get a summary in seconds
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Traffic estimated monthly website traffic
Monthly visits
1.8Mvisits/mo
744visits/mo
—
4.1Kvisits/mo
MoM change
▲ 1.0%
▲ 141.6%
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▲ 324.1%
6-month growth
-4.4%
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Global rank web
#34,433
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#7,244,900
Avg. last 3 months
1.7M
384
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1.7K
Bounce rate lower is better
51%
39%
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0%
Pages / visit
2.3
1.1
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Visit duration
1m 31s
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Traffic sources
● Direct 88% · ● Referral 10%
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LightPDFReadDocsChatPDFAI PDF Reader
0477.3K954.5K1.4M1.9MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MReadDocs · 101ReadDocs · 308ReadDocs · 744AI PDF Reader · 1.2KAI PDF Reader · 294AI PDF Reader · 2.5KAI PDF Reader · 977AI PDF Reader · 4.1K1001K10K100K1M10MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MReadDocs · 101ReadDocs · 308ReadDocs · 744AI PDF Reader · 1.2KAI PDF Reader · 294AI PDF Reader · 2.5KAI PDF Reader · 977AI PDF Reader · 4.1KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free
Free
Starting price
$1.33per month · free tier available
Free tier
Free
Free
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
Free FreePro £9.99/moBusiness £29/mo
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Free Free
Capabilities input → output
Input
DocumentsWeb pages
DocumentsImagesText
DocumentsTextWeb pages
Documents
Output
Text
Text
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Tasks what each tool can do · 3 shared · core   partial
Tasks covered
9
13
12
11
Document summarization
PDF analysis
Summarizing
Interactive PDF processing
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PDF summaries
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PDFs
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Document chat
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Document summaries
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Document reading
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OCR
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Summaries
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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 translation
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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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Translations
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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
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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.