- 1Choose file
- 2Adjust
- 3Download
Scan to PDF in Grayscale online, free
Scan paper with your camera — auto edge detection, deskew, enhance, multi-page — and hand pages from phone to desktop by QR over a direct connection.
- Runs in your browser — no upload
- Free, no sign-up, no watermark
- JPEG
- PNG
- WebP
- AVIF
- GIF
- BMP
- TIFF
- HEIC / HEIF
Set up on this page
- Enhance: grayscale
How to use Scan to PDF · Scan to PDF — frequently asked questions
How to use Scan to PDF in Grayscale
- 1
Add your file
Drop a file on the page or click Select Files.
- 2
Check the preset
Enhance is set to grayscale. You can change it before running.
- 3
Run the tool
Press start. Processing happens on your device.
- 4
Save the result
The result is delivered as PDF.
What Scan to PDF can do
- Enhance: auto, color, grayscale and black white
- Page Size: fit, a4 and letter
- Auto-crop page — Find the page edges and straighten the perspective
- Private by design — files are processed in your browser and never uploaded
- Batch processing — up to 500 files at once
- Free with no sign-up, no watermark and no daily limit
Scan to PDF — frequently asked questions
What does this page set for Scan to PDF in Grayscale?
Enhance: grayscale. All of these stay editable.
Is my file uploaded?
No. On the web this tool runs in your browser, so your file is not uploaded.
Are there limits?
You can add up to 500 files in one run. Server jobs accept up to 2 GB. A job can run for up to 120 seconds. In the browser, the practical limit is your device's memory.
Is Scan to PDF really free?
Yes. Scan to PDF is free forever on Sada Files — no ads, no premium tier, no watermark, no daily cap that pushes you to pay. Every option on this page is available to everyone.
Do I need to sign up or create an account?
No. There is no account system at Sada Files. Open the page, drop your file, pick your options and save the result. History and saved workflows stay on your device.
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