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Sign and annotate PDF files in your browser. PDF Expert is the ultimate tool for signing and annotating PDF documents directly in your Chrome browser. Designed with a premium dark glassmorphism aesthetic, it provides a sleek and professional environment for all your document needs. Whether you need to sign a contract, fill out a form, highlight text, or redact sensitive information, PDF Expert has you covered. Key Features: Draw Freehand: Add notes or drawings smoothly with a responsive drawing tool. Add Shapes: Insert Rectangles (Boxes), Ovals, and Lines to highlight or diagram. Smart Text Boxes: Type directly onto the PDF. Text boxes automatically fit the text height and allow you to scale the font size dynamically. Sticky Notes: Add resizable yellow notes for comments and instructions. Insert Images: Place images (like stamps or logos) and resize them while maintaining aspect ratio. Persistent Signatures: Create a signature by typing (with cursive font) or drawing. It saves securely in your browser for future use. Move and resize it to fit perfectly. Search with Highlighting: Press Ctrl+F to open a floating search box. It finds text and draws a visual yellow highlight over the word on the canvas! Visual Redaction: Draw a solid black box over sensitive content to obscure it before sharing. Fast & Efficient: Uses lazy loading to render pages only when visible, making it incredibly fast even on 100+ page documents. Print Optimized: Includes a clean print layout that hides the app UI, printing only the document pages. Why Choose PDF Expert? Privacy First: All processing happens locally in your browser. Your documents are never uploaded to any server. Premium Experience: No clunky interfaces. Enjoy a state-of-the-art UI with dashed bounding boxes and corner drag handles for intuitive object manipulation. Manifest V3 Ready: Built to the latest Chrome extension standards for security and performance. Search Keywords PDF editor, sign PDF, annotate PDF, electronic signature, fill form, redact PDF, PDF search, PDF draw.
May 5, 2026
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Media assets
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Has promo video
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Developer website
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Contact email
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Keyword in name
Case-insensitive substring match in the name.
Keyword in description
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Keyword occurrences in description
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Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.