Scan to PDF

Physical documents pile up fast: signed contracts, handwritten notes, receipts, ID copies, and printed forms that need to exist digitally before they can be sent, stored, or archived. This scan-to-PDF tool turns your device camera or uploaded images into a properly formatted, multi-page PDF entirely inside your browser, with image enhancement controls and full PDF layout settings built in, no scanner app, no desktop software, and no server upload required.

How It Works

1. Capture or Upload Your Images: Click "Start Camera" to use your device's built-in camera directly in the browser, positioning each page in frame before capturing. Alternatively, click "Upload Images" to load existing JPG, PNG, WebP, or HEIC files from your device. Multiple files can be added at once and each one becomes a separate page in the final PDF.
2. Enhance and Configure: Apply a scan enhancement preset to each page: Original, Black and White, Grayscale, Enhance, Sharpen, or Document mode. Adjust brightness, contrast, and sharpness manually, then use "Apply to All Pages" to apply the same settings across every page at once. Set your PDF page size (A4, US Letter, A3, or Fit to Image), orientation, image quality level, and margin width before building.
3. Build and Download: Click "Create PDF" to trigger the PDF-Lib library running locally in your browser. It processes each image, applies your enhancement and layout settings, and assembles the final multi-page PDF on your device without contacting any external server. The finished file downloads directly to your device.

Compatibility and Support

Supported Input and Output Formats

• Camera Input: Live camera feed via browser on mobile (iOS, Android) and desktop (Chrome, Edge, Firefox)
• Uploaded Image Formats: JPG, JPEG, PNG, WebP, HEIC
• Multi-Page Support: Multiple images combined into a single PDF, one image per page
• Output: PDF (.pdf) with selectable page size (A4, US Letter, A3, Fit to Image), orientation, quality (70%, 85%, 95%), and margin settings

Unsupported Formats

• GIF and BMP files are not accepted as upload inputs; convert them to JPG or PNG first
• Video files cannot be used as scan sources; only still images and live camera frames are supported
• Scanned output is image-based PDF only; the tool does not perform OCR to produce searchable or text-selectable PDF content
• RAW camera formats (CR2, NEF, ARW) are not supported and must be converted to JPG before upload

File Size Limits

• No server-side file size cap since all processing runs locally in the browser
• Practical limit is determined by device memory; batches of up to 30 pages process reliably on modern smartphones and desktops
• Selecting Compressed (70%) quality significantly reduces the output PDF size for large batches

Who Should Use This Tool?

• Students: Photograph handwritten lecture notes or textbook pages page by page using a phone camera and combine them into a single clean PDF to share with classmates or upload to a learning management system.
• Freelancers and Designers: Scan a signed client contract or physical invoice on the spot using a mobile browser, apply the Document enhancement to clean up the image, and email the PDF immediately without returning to a desktop scanner.
• Office Professionals: Digitize stacks of paper forms, receipts, or printed reports by uploading multiple photos at once. Apply Grayscale or B&W mode across all pages to reduce file size before archiving to a document management system.
• Developers: Capture whiteboard diagrams, hand-drawn wireframes, or printed technical specs during a meeting using the camera mode and convert them into a shareable PDF for the team within seconds without leaving the browser.

Why This Tool Beats the Alternatives

• No account creation or email registration at any step, while most dedicated scanner apps require sign-in before saving output
• Zero watermarks on the exported PDF, which free-tier scanner apps routinely add to every output page
• All processing is local and private, unlike cloud-based scanner tools that upload your document images to third-party servers for processing
• Built-in enhancement presets and manual brightness, contrast, and sharpness controls are typically locked behind paid plans on popular scanner apps
• Works on any device with a browser including Android, iPhone, Windows, Mac, and Chromebook without installing anything from an app store
• PDF page size, orientation, quality, and margin controls give output flexibility that most free scan-to-PDF tools simply do not provide

Pro Tips

• Use the Document enhancement preset when scanning printed text or handwritten notes as it boosts contrast and sharpens edges specifically for legibility, making the output look much cleaner than a raw photo.
• Shoot in a well-lit area and hold the camera parallel to the page surface before capturing; this reduces shadow and keystoning, which no software enhancement can fully fix after the fact.
• If the final PDF file size is too large for email, select Compressed (70%) quality in the PDF settings before building, or run the finished PDF through the Compress PDF tool afterward for further reduction.

Open the camera, capture your pages, apply your preferred enhancement, and download a finished PDF in under a minute. If you need to extract text from the scanned PDF afterward, the Extract Text from PDF (OCR) tool can make your scanned content fully searchable and selectable.