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Free Verify Metadata Extract and inspect PDF metadata including author, creation date, software used, and edit history. Use tool Free Validate PDF Check PDF structure, integrity, and compliance with PDF/A, PDF/X, and PDF/UA standards. Use tool Free AI Detection Detect AI-generated content by analyzing metadata signatures, software fingerprints, and structural patterns. Use tool Web AI PDF Chat Chat with any PDF online. Upload a document, ask questions, summarize pages, find issues, and get AI answers with page citations from your file. Use tool Free Check Signatures Verify digital signatures embedded in PDF documents to confirm authenticity and integrity. Use tool Free Accessibility Check Evaluate PDF accessibility compliance including tagged structure, reading order, and alt text. Use tool Free PDF Font Checker Upload a PDF to detect all fonts used. Instantly see font names, types, embedding status, and encoding information. Use tool Free PDF/A Validator Check whether a PDF is suitable for long-term archiving with PDF/A-oriented validation signals. Use tool Free Compare PDFs Compare two PDFs to find text, page, and document differences before approving a revised file. Use tool Free Batch PDF Checker Analyze multiple PDFs in one workflow when you need repeated metadata checks at scale. Use tool

Free Compress PDF Reduce PDF file size by up to 80% with adjustable compression levels while preserving quality. Use tool Free Metadata Remover Remove hidden PDF metadata including author names, dates, software details, and document properties. Use tool Free Extract Images Extract all embedded images from PDF documents and download them as individual files or a ZIP archive. Use tool Free Extract Text Extract readable text from PDF pages and review page-level word and character counts. Use tool Free Merge PDF Combine multiple PDF files into a single document with customizable page ordering. Use tool Free Split PDF Split a PDF into individual pages or custom page ranges for easy distribution. Use tool Free PDF to Image Convert PDF pages to high-quality images in PNG or JPEG format. Use tool Free PDF Password Add password protection to secure your PDF, or remove passwords from locked files. Use tool Web PDF Converter Convert PDFs to Word, images, Excel, PowerPoint, HTML, text, CSV, and back to PDF formats. Use tool

Free Metadata Editor Edit PDF metadata fields such as title, author, subject, keywords, and creator. Use tool Web PDF Editor Edit PDF content online with tools for text, annotations, versions, and document changes. Use tool Web PDF Highlighter Highlight PDF text, add notes, draw callouts, and download an annotated PDF in your browser. Use tool Web Fill PDF Form Fill interactive PDF form fields online and prepare completed documents quickly. Use tool Web Build PDF Form Create fillable PDF forms by adding fields to existing PDF documents. Use tool Directory Templates Browse ready-made PDF templates for invoices, receipts, contracts, business forms, and more. Use tool

Directory PDF Software Explore PDF software, creators, and producers detected by PDFCheck metadata analysis. Use tool Web PDF Analytics & Document Tracking Ever sent a proposal, contract, or eBook and wondered if anyone actually opened it? PDF Analytics gives you real-time visibility into every document open — like Google Analytics, but designed specifically for PDF files. Use tool Developer API Documentation Use PDFCheck programmatically with API documentation for automated PDF analysis workflows. Use tool Developer MCP Server Connect PDFCheck tools to AI assistants and agent workflows with the MCP server. Use tool Developer White Label Solutions Launch a private, local-first PDF app with your branding, custom workflows, and support from $999. Use tool Web Chrome Extension Analyze PDFs from your browser with the PDFCheck Chrome extension. Use tool Web Desktop App Use PDFCheck workflows from desktop platforms when browser-based workflows are not enough. Use tool