Solasu

Merge & Organize PDF

Combine multiple PDFs in the order you choose, keep only the pages you need, and create one PDF directly in your browser.

  • Free to use
  • No sign-up required
  • No watermark
  • Runs entirely on your device
  • No installation required
  • Batch processing available

PDFs are processed on your device and are not uploaded to a server.

Add PDFs or images

Tap to choose PDFs or images

Choose files

Output preview (editing)

Add files to see a preview.

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About this tool

A free browser tool for combining multiple PDFs into one. Reorder files, delete, rotate, or duplicate pages, set page ranges, and add JPG/PNG/WebP images. Files stay on your device and originals are never modified.

Reorder and merge into one PDF

Add several PDFs, rearrange them, then merge. Drag and drop is available, along with move-up and move-down controls.

The live preview follows the final output page order before you generate.

Organize pages in detail

In detailed organize mode you can delete, rotate, duplicate, set page ranges, and insert blank pages. Edits apply to the output composition only—source files stay unchanged.

Mix PDFs and images

Alongside PDFs, you can add JPG, PNG, and WebP files. Each image becomes one page while preserving its aspect ratio.

Verify after generate

After merging, the tool reloads the generated PDF and checks basics such as page count before download. Everything runs in your browser.

FAQ

Can I merge PDFs for free?
Yes. It is free, with no sign-up, no installation, and no watermark.
Are PDFs uploaded to a server?
No. PDFs are processed entirely in your browser and are not uploaded to a server.
Do I need an account?
No. You can use the tool without registering.
Can I combine multiple PDFs?
Yes. Add multiple PDFs and merge them into one file. You can also include JPG, PNG, and WebP images.
Can I change the PDF order?
Yes. Reorder files in the list with drag and drop or the up/down buttons.
Can I keep only specific pages?
Yes. In detailed organize, set a page range such as 1-3,7,10-12.
Can I delete pages?
Yes. Remove unwanted pages in detailed organize. Your original PDF files are not modified.
Can I rotate pages?
Yes. Rotate pages by 90° right, 90° left, or 180°, including bulk rotation for a selection.
Can I add images to a PDF?
Yes. JPG, PNG, and WebP files are added as one page each.
Are original PDFs changed?
No. Originals stay unchanged. A new PDF is created from your composition.
Can I process password-protected PDFs?
Password unlocking is not supported. Unreadable files fail individually while other files can still be processed.
Can I process large PDFs?
It depends on your browser and device memory. Large totals show a warning, but there is no hard limit. Processing may fail on some devices.
Are links and forms preserved?
Ordinary page content such as text, images, and page size is preserved as much as possible. In our tests, AcroForm fields and source metadata such as the document title are not carried into the new merged PDF. Links and bookmarks may also not be fully preserved.