LightPDF vs UPDF vs ChatPDF vs Smallpdf AI PDF

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

Your tool
LightPDF
vs
Competitor 1
UPDF
Competitor 2
ChatPDF
Competitor 3
Smallpdf AI PDF
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
Remove
Competitor UPDF
pdfassistant.ai
PDFs that work the way you need them to
Make main Remove
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.
Make main Remove
Competitor Smallpdf AI PDF
smallpdf.com
Smallpdf AI PDF, also called Chat with PDF, lets you upload a document and talk to it.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
1.8Mvisits/mo
28.7Kvisits/mo
—
—
MoM change
▲ 1.0%
▼ 28.2%
—
—
6-month growth
-4.4%
-27.5%
—
—
Global rank web
#34,433
#984,401
—
—
Avg. last 3 months
1.7M
40.4K
—
—
Bounce rate lower is better
51%
42%
—
—
Pages / visit
2.3
2.1
—
—
Visit duration
1m 31s
19s
—
—
Traffic sources
● Direct 88% · ● Referral 10%
● Direct 90% · ● Mail 10%
—
—
LightPDFUPDFChatPDFSmallpdf AI PDF
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 · 28.7K10K100K1M10MLightPDF · 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 · 28.7KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free
Freemium
Starting price
$1.33per month · free tier available
$9.99per month · free tier available
Free
€6per month · free tier available
Free tier
Free trial
–
–
API access
–
–
–
–
Plans
Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
Starter FreePlus $9.99/moPro $24.99/moBusiness $59.99/mo+1 more
—
Pro €7.50/moTeam (2-100 users) €6/mo
Capabilities input → output
Input
DocumentsWeb pages
DocumentsText
DocumentsTextWeb pages
DocumentsText
Output
Text
DocumentsText
Text
Text
Skill level
Beginner-friendly
Intermediate
Beginner-friendly
Beginner-friendly
Categories
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Productivity & OfficeAI Document ExtractionAI PDF
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
5
1
1
Document summarization
PDF analysis
–
–
PDFs
–
–
Text extraction
–
–
Data extraction
–
–
–
Document data extraction
–
–
–
Summarizing
–
–
–
Document scanning
–
–
–
OCR
–
–
–
Document processing
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 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.