pdf.net records 1,257,131 monthly visits with -22.3% month-over-month growth and Freemium, Free pricing. ZeroGPT records 32,864,541 monthly visits with +19.7% growth and Freemium, Paid pricing.
All-in-one online PDF editor with AI helpers for reading, summarizing, and generating documents
AI content detection and a full writing toolkit in one place
| Dimension / Metric | | |
|---|---|---|
| Official Domain | pdf.net | zerogpt.com |
| Pricing Model | Freemium, Free | Freemium, Paid |
| Monthly Visits | 1.26M (1,257,131) | 32.86M (32,864,541) |
| MoM Traffic Delta | -360.37K (-22.3%) | +5.41M (+19.7%) |
| Primary Market & Share | 🇺🇸 United States (76.7%) | 🇺🇸 United States (43%) |
| Direct Visits / mo | 181.52K | 8.22M |
| User Rating | 4.1 | 3.8 |
| Supported Platforms | Website | Website |
All-in-one online PDF editor with AI helpers for reading, summarizing, and generating documents
Edit text, fonts, sizes and colours directly in the document, insert images, add page numbers, watermarks and Bates numbering, rotate, extract or rearrange pages, and split or merge files.
Convert between PDF and Word, Excel, PowerPoint, CSV, JPG, PNG, HEIC, EPUB, Markdown and text, including bank-statement-to-spreadsheet and PDF comparison workflows.
Type, draw or upload a signature, request signatures by email, add password protection, black out sensitive content and make flat or scanned forms fillable.
Chat with a PDF to ask questions about its contents, summarize a long document into key points, generate a formatted PDF from a description, or have AI populate a form automatically.
AI content detection and a full writing toolkit in one place
Paste up to 15,000 characters or upload a file and get a highlighted breakdown of which sentences appear AI-written, plus an overall percentage score and a downloadable PDF report.
Beyond text, ZeroGPT offers an AI image detector and an AI video detector that performs frame-level analysis to flag generated or manipulated visuals.
Compare your text against billions of sources through the plagiarism checker, or rewrite and humanize AI text with the paraphraser and AI humanizer while keeping the original meaning.
A bundled writing suite covers summarization, grammar and spelling correction, translation across many languages, a dictionary, word and character counting, citation generation, and an AI email writer.
SpecialistCross-platform writing assistant focused on real-time grammar and tone correction rather than AI content detection.
SpecialistCross-platform writing assistant focused on real-time grammar and tone correction rather than AI content detection.
SpecialistPopular paraphrasing assistant focused on rewriting and grammar correction, but lacks dedicated AI detection scanners.
SpecialistPopular paraphrasing assistant focused on rewriting and grammar correction, but lacks dedicated AI detection scanners.
Industry-standard AI content detection trusted by educators, offering robust sentence-level analysis similar to ZeroGPT.
Industry-standard AI content detection trusted by educators, offering robust sentence-level analysis similar to ZeroGPT.
SpecialistAcademic editing platform pairing AI plagiarism detection with professional human proofreaders for student papers.
SpecialistAcademic editing platform pairing AI plagiarism detection with professional human proofreaders for student papers.
SpecialistDelivers quick PDF summarization and document chat, but lacks the broader editing and e-signature features of pdf.net.
SpecialistDelivers quick PDF summarization and document chat, but lacks the broader editing and e-signature features of pdf.net.
Provides professional desktop and cloud PDF editing software with extensive document conversion tools, but requires downloads.
Provides professional desktop and cloud PDF editing software with extensive document conversion tools, but requires downloads.
SpecialistAn AI agent that summarizes, transcribes, and turns your ideas into slides, docs, and media
SpecialistAn AI agent that summarizes, transcribes, and turns your ideas into slides, docs, and media
Combines reliable AI detection with advanced text humanization tools to rewrite machine-generated content naturally.
Combines reliable AI detection with advanced text humanization tools to rewrite machine-generated content naturally.
Offers a robust free PDF editing and reading suite with built-in AI summarization, rivaling pdf.net's workspace.
Enterprise-grade content verification suite detecting AI text, images, and source code across multiple languages.
Enterprise-grade content verification suite detecting AI text, images, and source code across multiple languages.
Comprehensive content integrity platform specialized in accurate AI detection and plagiarism checking for digital publishers.
Comprehensive content integrity platform specialized in accurate AI detection and plagiarism checking for digital publishers.
Provides comprehensive cloud PDF conversion and editing tools paired with AI chat, closely matching pdf.net's feature set.
Provides comprehensive cloud PDF conversion and editing tools paired with AI chat, closely matching pdf.net's feature set.
