Can I merge scanned PDFs that contain only images?

Yes. FixTools handles image-only (non-searchable) PDFs perfectly. The merger does not need to parse text — it combines the underlying image pages directly.

Why are scanned PDF files so large?

Scanners embed full-resolution images for each page. A single scanned page at 300 DPI can be 1–3MB. Use the PDF Compressor after merging to reduce the total file size significantly.

Will merging scanned PDFs make them searchable?

No. Merging combines the scanned pages but does not add OCR (optical character recognition). The merged file will still be image-based. You would need a separate OCR tool to make the text searchable.

Can I merge PDFs from different scanners or scan apps?

Yes. Scanned PDFs from any source — flatbed scanners, multifunction printers, iOS Scanner, Google Drive scanning — all follow the same PDF format and merge correctly.

How do I reduce the quality of scan PDFs to make them smaller?

Use the PDF Compressor after merging. It reduces image resolution and applies compression to embedded scan images, typically cutting file size by 50–75% with acceptable quality for most use cases.

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Merge Scanned PDF Files Into One Document

Scanned documents saved as PDFs — receipts, signed forms, physical contracts — are easy to combine with FixTools. The merger handles image-based PDFs produced by scanners, copiers, and mobile scanning apps like Adobe Scan or Microsoft Lens without any loss of quality.

⚡ Use Tool Now How it works

Cost: Free forever
Sign-up: Not required
Processing: In your browser
Privacy: Files stay local

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Works with image-based scan PDFs

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Preserves original scan resolution

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Handles multi-page scan files

PDF Tool

PDF Merger

All processing happens in your browser — your files are never uploaded to any server.

🚀Open PDF Merger

100% Free · No account · Works on any device

How to use this tool

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Upload your scanned PDF files — even if they are image-only PDFs from a scanner — and merge them into one document. The tool preserves every scanned page exactly.

How It Works

Step-by-step guide to merge scanned pdf files into one document:

1
Scan your documents
Use your scanner, copier, or a mobile app (Adobe Scan, Microsoft Lens, Apple Notes) to scan your physical documents and save them as PDF files.
2
Upload the scanned PDFs
Open the PDF Merger and upload your scanned PDF files. Both single-page and multi-page scan PDFs are supported.
3
Arrange the document order
Drag the files to set the order — for example, arrange scanned pages chronologically or by document section.
4
Merge into one scan document
Click Merge PDF. The tool combines all scanned pages into a single PDF, preserving the original image quality.
5
Compress if the file is large
Scanned PDFs are often large because they contain embedded images. Use the PDF Compressor to reduce the file size after merging.