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Scribbr records 7,530,803 monthly visits with +14.6% month-over-month growth and Freemium pricing. TopPDF records 643 monthly visits with -90.6% growth and Freemium pricing.
Academic proofreading, plagiarism checking and AI-powered writing tools in one place
All-in-one AI PDF tools to edit, convert, compress and translate documents
| Dimension / Metric | | |
|---|---|---|
| Official Domain | scribbr.com | toppdf.co |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 7.53M (7,530,803) | 643 (643) |
| MoM Traffic Delta | +957.01K (+14.6%) | -6.17K (-90.6%) |
| Primary Market & Share | 🇺🇸 United States (32.1%) | 🌐 Global (—) |
| Direct Visits / mo | 2.47M | 230 |
| User Rating | 4.4 | 3.9 |
| Supported Platforms | Website | Website |
Academic proofreading, plagiarism checking and AI-powered writing tools in one place
A vetted academic editor reviews your paper within hours and returns tracked changes, comments and an explanation letter.
Scans your document against a large web and publication database to surface potentially unoriginal passages before submission.
Flags text likely generated by large language models and offers a rewriting mode aimed at making AI-assisted drafts sound more natural.
Creates and verifies references in APA, MLA, Chicago, AMA, IEEE and ACS styles from a URL, DOI or title search.
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.
Commercially safe generative AI workspace for images, video, audio, vectors, and multi-model creative production.
Commercially safe generative AI workspace for images, video, audio, vectors, and multi-model creative production.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Enterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
Enterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Paraphrase, proofread and summarize text with an AI writing workspace
Paraphrase, proofread and summarize text with an AI writing workspace
A friendly Vietnamese AI study assistant for homework, images and everyday questions
Free online design tool with AI-powered templates and photo editing
Free online design tool with AI-powered templates and photo editing
Turn long PDFs into clear summaries and chat with your documents
Turn long PDFs into clear summaries and chat with your documents
An AI-powered creative and productivity suite spanning video, documents, diagrams and data
An AI-powered creative and productivity suite spanning video, documents, diagrams and data
Free online OCR that turns any image into editable text in seconds
Free online OCR that turns any image into editable text in seconds
All-in-one AI study tool for homework help, exam prep, notes, and flashcards
All-in-one AI study tool for homework help, exam prep, notes, and flashcards
All-in-one AI assistant across web, browser, desktop and mobile
All-in-one AI assistant across web, browser, desktop and mobile
