onePDF

My Documents

Accent color

Runs locally — files never leave this device.
Built with Claude.

1. Choose a file

Drop a PDF here, or click to browse.

Drag a PDF, or click to browse

Nothing is uploaded — the file stays on this device.

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2. Choose how to split

Break the PDF into parts that each stay under a size limit.

 MB
pages

Starting…

Done

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1. Add PDFs

Add one PDF to reorganize its pages, or several to merge them — you can keep adding more, and reorder them below.

Drag PDFs here, or click to browse

Nothing is uploaded — files stay on this device.

Rendering previews…

2. Fine-tune pages

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3. Name the result

.pdf

Convert

Choose a direction — the upload step below adapts to match.

1. Add images

JPG and PNG are supported. Drop in as many as you like and reorder them below.

Drag images here, or click to browse

Nothing is uploaded — files stay on this device.

2. Page setup

How each image should sit on its page.

0 pt
.pdf

Starting…

1. Choose a file

Drop a PDF here, or click to browse.

Drag a PDF, or click to browse

Nothing is uploaded — the file stays on this device.

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2. Output settings

Higher resolution means sharper images and bigger files.

85%

Starting…

Done

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1. Choose a file

Drop a PDF here, or click to browse.

Drag a PDF, or click to browse

Nothing is uploaded — the file stays on this device.

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2. Options

Choose which pages to read and how to lay the text out.

Starting…

Result

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1. Choose a file

Drop a PDF here, or click to browse.

Drag a PDF, or click to browse

Nothing is uploaded — the file stays on this device.

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2. Choose what to edit

Page numbers

Style, position, and which pages get a number.

pt
pt

Watermark

The text and how it should be drawn.

60 pt
15%

The watermark is drawn over the existing content, so keep the opacity low if the pages underneath need to stay readable.

Document properties

Blank fields will be cleared from the saved file.

Read-only details

Reported by the file itself — these aren't editable here.

no_sim

Nothing open yet

Open a PDF to read through it, mark it up with pen, text, or shapes, and export your changes — all without it ever leaving this device.

1/1
line_weight
opacity

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