Scan Image to PDF
Convert scan images and phone photos to PDF free online. No upload, no watermark. Works on mobile, tablet and PC. Install the app from your browser for home-screen access.
How it works
- Open the tool in your browser (phone or computer).
- Add your file(s).
- Run the action and download the result.
Related tools
Compress PDF / PDF size decrease · Increase PDF size · JPG to PDF · Images to PDF · PDF to JPG · PDF to Word · Scan to PDF
FAQ
Is it free? Yes. No watermark, no account.
Are files uploaded? Core tools process in the browser.
Mobile support? Yes — mobile, tablet and desktop browsers.
Why use Scan Image to PDF on PDFStudio Pro
Scan Image to PDF runs entirely in your browser on PDFStudio Pro. Your files are not uploaded to a remote server for this workflow, which keeps personal and business documents private. There is no registration wall, no daily quota and no watermark stamped on the result. The same engine powers related PDF, image, video and audio utilities on the site so you can chain steps — for example compress, then merge, then protect — without leaving the browser.
Modern Chromium, Firefox and Safari browsers on desktop and mobile are supported. After the first load, core libraries are cached so repeat use is faster and often works offline. Use this page as a short guide, then open the live tool to process real files. If you need a gentler or stronger option, check the related tools listed below or browse the full PDF Tools and All tools hubs.
Tips for better results
Start with a clear goal: smaller size, fixed orientation, fewer pages, or a different format. For size limits, try standard compression first, then extreme compression if the file is still too large. For scanned paper, grayscale or lower resolution can help more than another pass of light compression. Always keep a copy of the original until you have verified the output on your target device or portal. Large multi-page files may take longer on phones; desktop browsers usually finish faster when memory is available.
Privacy, pricing and compatibility
PDFStudio Pro is free for unlimited local processing of this tool. We do not sell your documents or use them to train models. Temporary data created while the page is open is discarded when you navigate away. The site is delivered over HTTPS. Output is standard PDF or the format stated on the tool, ready to download and share. Compatible with current versions of Chrome, Edge, Firefox and Safari on Windows, macOS, Linux, Android and iOS.