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Sign and annotate PDFs directly in Chrome with signatures, text, and checkboxes. PDF Pen lets you sign, fill, and annotate PDF documents without ever leaving Chrome — and without uploading your files anywhere. Unlike other PDF tools that require you to upload sensitive documents to their servers, PDF Pen works entirely on your device. Your contracts, tax forms, and personal documents never touch a remote server. FEATURES Sign in Seconds Click "Sign PDF" on any PDF to open our clean, fast viewer. Type your name, pick from beautiful handwriting fonts, place your signature anywhere, resize it — done. Fill Forms & Add Text Click to place text anywhere on the page. Type directly on the document — perfect for filling in forms, adding dates, or writing notes. Multi-line support with Enter. Check Boxes One-click X marks to fill in existing checkboxes on any form or document. Resize & Reposition Drag to move any annotation. Resize signatures and text with the corner handle — aspect ratio always locked for a clean look. Save as Standard PDF All annotations are embedded directly into the PDF. The output is a standard PDF that works everywhere — email it, print it, upload it. HOW IT WORKS 1. Open any PDF in Chrome 2. Click the blue "Sign PDF" button in the corner 3. Add your signature, text, or checkmarks 4. Click Save to download the signed PDF WHY PDF PEN 100% Private — Your files never leave your device No Account Required — Install and start signing immediately No Watermarks — Your signed documents are clean and professional No Upload Limits — Works with any file size, instantly Works Offline — No internet connection needed after install Completely Free — No premium tier, no trial, no upsell
Feb 14, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
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.