SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
#1ChatPDF records 1,044,477 monthly visits with -3.7% month-over-month growth and Freemium pricing. TopPDF records 643 monthly visits with -90.6% growth and Freemium pricing.
All-in-one AI PDF tools to edit, convert, compress and translate documents
| Dimension / Metric | ||
|---|---|---|
| Official Domain | chatpdf.com | toppdf.co |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 1.04M (1,044,477) | 643 (643) |
| MoM Traffic Delta | -40.47K (-3.7%) |
| -6.17K (-90.6%) |
| Primary Market & Share | 🇺🇸 United States (9.6%) | 🌐 Global (—) |
|---|
| Direct Visits / mo | 457.79K | 230 |
|---|
| User Rating | 4.2 | 3.9 |
|---|
| Supported Platforms | Website | Website |
|---|
Chat with any PDF, video, or website and get cited answers in seconds
Every response is anchored to your source document with clickable citations that scroll to the exact passage, so verification takes seconds instead of page-by-page searching.
Organize documents into folders and query many files in a single conversation to compare arguments, cross-reference findings, or study a whole syllabus at once.
Condense long papers, reports, and contracts into key takeaways, and translate or query documents in any language — including mixing a source language with a different question language.
Generate flashcards and slide decks from your material, and use the built-in AI writer and AI detector for drafting and checking academic text.
All-in-one AI PDF tools to edit, convert, compress and translate documents
Modify text and images directly inside a PDF and translate document content into many languages while keeping the original page layout intact.
Shrink, merge and split PDFs so large documents are easier to store, share and organise, with compression that aims to preserve visible quality.
Convert PDFs to Word, Excel, PowerPoint and JPG, and convert Word, Excel, PowerPoint, JPG and EPUB back into PDF.
An AI grammar checker that finds grammatical errors and spelling mistakes across multiple languages, plus a paraphrasing tool for fast rewriting.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
#1Free online OCR that turns any image into editable text in seconds
A free, AI-powered PDF editor for every device
AI-powered PDF editor for Windows, Mac and iOS

Free AI-powered PDF editor, converter and reader for every device
AI translation for text, images, documents and speech in 100+ languages

Cross-platform PDF editing with GPT-powered AI for reading, translating, and signing documents
Includes robust developer APIs for custom document workflows, but free tier limits document page counts.
Strong multi-format document chat and form filling capabilities, but interface can feel slightly more cluttered.
Free AI-powered PDF translation with layout preserved
SpecialistPrivate AI that answers from your own documents, on Mac and Windows

Turn any PDF into editable, translatable, searchable knowledge
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
Free online OCR that turns any image into editable text in seconds
Free AI-powered PDF editor, converter and reader for every device
AI translation for text, images, documents and speech in 100+ languages
Strong multi-format document chat and form filling capabilities, but interface can feel slightly more cluttered.
Free AI-powered PDF translation with layout preserved
SpecialistPrivate AI that answers from your own documents, on Mac and Windows