ChatPDF vs Linnk AI: Research Assistant, Summarizer, Translator vs Free PDF Translate vs Lectura
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
ChatPDF
vs ChatPDF
Competitor 1
Linnk AI: Research Assistant, Summarizer, Translator
Linnk AI: Research Assistant, Summarizer, Translator
Competitor 2
Free PDF Translate
Free PDF Translate
Competitor 3
Lectura
LecturaCompare
4 tools · best value per row highlighted
Your tool
ChatPDF
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.
Competitor
Free PDF Translate
Free PDF Translate
pdftranslator.org
Translating PDF files often destroys the original formatting, turning carefully structured documents into messy text blocks
Traffic estimated monthly website traffic
Monthly visits
—
452.2Kvisits/mo
111.4Kvisits/mo
1Kvisits/mo
MoM change
—
▲ 2.8%
▲ 23.9%
▼ 29.0%
6-month growth
—
-2.1%
+181.6%
—
Global rank web
—
#127,460
#445,067
#12,243,847
Avg. last 3 months
—
445.7K
87.5K
854
Bounce rate lower is better
—
48%
42%
38%
Pages / visit
—
1.9
2.0
1.9
Visit duration
—
48s
1m 57s
53s
Traffic sources
—
● Direct 66% · ● Referral 34%
● Direct 85% · ● Referral 15%
—
ChatPDFLinnk AI: Research Assistant, Summarizer, TranslatorFree PDF TranslateLectura
Pricing
Model
Free
Freemium
Free
Freemium
Starting price
Free
$8.2per month
Free
$6per month · free tier available
Free tier
–
Free trial
–
–
–
–
API access
–
–
–
–
Plans
—
Essential $8.20/moProfessional $9.90/moPremium $19.90/moVolume $39.90/mo
Free Free
—
Capabilities input → output
Input
DocumentsTextWeb pages
DocumentsImagesWeb pages
Documents
Web pagesVideo
Output
Text
DocumentsText
Documents
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Intermediate
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
1
9
2
2
Translations
–
–
Document summarization
–
–
Video summaries
–
–
PDF translations
–
–
–
Summarizing
–
–
–
Chrome extensions
–
–
–
Document translation
–
–
–
Mind maps
–
–
–
Quiz generation
–
–
–
Research
–
–
–
Knowledge graphs
–
–
–
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.