handy-tools-hub

A collection of handy tools — all functionality runs entirely in your browser, so your data stays local and secure.

PDF Merge & Split

Drop PDF files here or click to select (multiple files supported)
PDF processing runs locally via pdf-lib — no server upload. Password-protected PDFs are not supported. Very large PDFs may affect browser memory.

About this tool

Merge multiple PDFs or split by page range — all in your browser.

Common use cases

Useful for everyday checks, development verification, format checks before sharing, and lightweight tasks you want to finish in the browser.

Practical examples

  • Merge multiple PDFs into one file to reduce attachments.
  • Extract only the needed page range before sharing.

How to use

  1. Enter the value you want to check in the PDF Merge & Split input or settings area.
  2. Choose the required options, then press the action button.
  3. Review the result, then copy or download it when needed.

Input data and safety

PDF processing runs locally via pdf-lib — no server upload. Password-protected PDFs are not supported. Very large PDFs may affect browser memory.

Input is processed in the browser by default and is not saved to a server for tool processing. If you handle sensitive data, review the result before sharing it.

Next steps

  • Image Compress & ConvertCompress or convert images before adding them to PDFs to keep distribution files smaller.
  • Character CounterUse the character counter to trim document descriptions or sharing notes.

FAQ

Is the input for PDF Merge & Split sent to a server?

Core processing happens in your browser and input is not saved to a server for tool processing.

Can I use PDF Merge & Split on a phone?

Yes. The input and result areas are designed to adapt to phone and tablet browsers.

What should I check before sharing the result?

Review the result before sharing it, especially when it may include sensitive or personal information.