How to use: PDF Merge Tool

PDF Merge Tool is a free online pdf tool that merge two or more PDF files into one document — pages keep their original size and quality, the order follows your selection, and everything runs in your browser: no upload, no sign-up, nothing ever leaves your machine instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.

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Description

Merge two or more PDF files into one document — pages keep their original size and quality, the order follows your selection, and everything runs in your browser: no upload, no sign-up, nothing ever leaves your machine.

pdf
Because everything is computed client-side, PDF Merge Tool is safe to use with sensitive data such as API keys, tokens or private logs.

PDF Merge Tool — Input → Output

How to use

Using PDF Merge Tool takes three steps:

Paste your data into the input box (or load the example).
Configure the options to match your target format or scenario.
Copy, download or inspect the output — it updates live as you type.

How to use

Run

Use cases

Common situations where PDF Merge Tool helps:

Merge two or more PDF files into one document — pages keep their original size and quality, the order follows your selection, and everything runs in your browser: no upload, no sign-up, nothing ever leaves your machine.

Parameters

This tool has no options — it works on the input alone.

FAQ

What is PDF Merge Tool?

PDF Merge Tool merge two or more PDF files into one document — pages keep their original size and quality, the order follows your selection, and everything runs in your browser: no upload, no sign-up, nothing ever leaves your machine. It runs entirely in your browser, so your data stays private.

Is PDF Merge Tool free to use?

Yes. PDF Merge Tool is free, unlimited and works without registration or installation.

Does my data get uploaded?

No. All processing happens locally in your browser; nothing is sent to any server.

Good to know

Everything runs client-side, so extremely large inputs are limited by your browser tab’s memory rather than by a server upload limit.
The worked example below could not be pre-computed for this tool (needs_file); the interactive tool above still works normally.

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PDF Merge Tool → · pdf →

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