PDF size converter and compressor

Use this PDF-to-PDF converter to create a smaller PDF for uploading, emailing, or storage. Choose a PDF, adjust compression quality, then download and review the result.

Open the free PDF compressor →

How to reduce a PDF file size

Open the compressor and select a PDF file.
Adjust the quality setting to balance file size and appearance.
Start compression and save the resulting file.
Open the downloaded PDF and check text, images, and page layout before sending it.

PDF to PDF conversion and size reduction

This PDF converter keeps PDF as the output format while trying to reduce file size. People looking for a PDF-to-KB converter usually need a smaller file for an upload limit; compression can help, but a specific target size such as 100 KB or 200 KB is not guaranteed. The final size depends on the source and selected quality, and an already optimized PDF may not become smaller.

When PDF compression helps

A smaller PDF can be easier to attach to email, upload to a form, or keep on a device with limited space. The amount of reduction depends on what the file contains. Image-heavy PDFs may respond differently from documents made mostly of selectable text, and stronger compression can affect image detail. Compare the output with your original before relying on it for printing or formal submission.

PDF size converter questions

Can I convert a PDF to a specific KB size?

No exact KB target can be guaranteed. Adjust compression quality and check the result; different PDFs compress by different amounts.

Does this convert PDF to PDF?

Yes. The output remains a PDF; the tool attempts to reduce file size rather than changing the document format.

Will every PDF become smaller?

No. The result depends on the source file and settings. A file that is already optimized may change very little.

Can I choose the output quality?

Yes. Convert Hau provides an adjustable quality setting. Use a higher setting when preserving image detail matters, and check the downloaded file.

Does compressing a PDF edit its text?

The tool is for reducing file size, not rewriting document content. Always review important documents after processing.