Smallpdf AI PDF vs LightPDF vs UPDF 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
LightPDF
Competitor 2
UPDF
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 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 UPDF
pdfassistant.ai
PDFs that work the way you need them to
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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
—
1.8Mvisits/mo
28.7Kvisits/mo
744visits/mo
MoM change
—
▲ 1.0%
▼ 28.2%
▲ 141.6%
6-month growth
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-4.4%
-27.5%
—
Global rank web
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#34,433
#984,401
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Avg. last 3 months
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1.7M
40.4K
384
Bounce rate lower is better
—
51%
42%
39%
Pages / visit
—
2.3
2.1
1.1
Visit duration
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1m 31s
19s
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Traffic sources
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● Direct 88% · ● Referral 10%
● Direct 90% · ● Mail 10%
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Smallpdf AI PDFLightPDFUPDFReadDocs
0477.3K954.5K1.4M1.9MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MUPDF · 38.9KUPDF · 51.3KUPDF · 45.4KUPDF · 39.5KUPDF · 52.9KUPDF · 63KUPDF · 52.7KUPDF · 39.9KUPDF · 28.7KReadDocs · 101ReadDocs · 308ReadDocs · 7441001K10K100K1M10MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MUPDF · 38.9KUPDF · 51.3KUPDF · 45.4KUPDF · 39.5KUPDF · 52.9KUPDF · 63KUPDF · 52.7KUPDF · 39.9KUPDF · 28.7KReadDocs · 101ReadDocs · 308ReadDocs · 744Nov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
€6per month · free tier available
$1.33per month · free tier available
$9.99per month · free tier available
Free tier
Free tier
Free trial
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–
API access
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–
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Plans
Pro €7.50/moTeam (2-100 users) €6/mo
Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
Starter FreePlus $9.99/moPro $24.99/moBusiness $59.99/mo+1 more
Free FreePro £9.99/moBusiness £29/mo
Capabilities input → output
Input
DocumentsText
DocumentsWeb pages
DocumentsText
DocumentsImagesText
Output
Text
Text
DocumentsText
Text
Skill level
Beginner-friendly
Beginner-friendly
Intermediate
Beginner-friendly
Categories
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Productivity & OfficeAI Document ExtractionAI PDF
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
1
9
5
4
Document summarization
PDF analysis
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Summarizing
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PDFs
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Text extraction
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OCR
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Data extraction
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–
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Document data extraction
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–
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Document scanning
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–
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Document processing
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 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.