1. What does a PDF compressor do?

A PDF compressor reduces the file size of a PDF. It can make a large document smaller without changing the number of pages.

2. How can I reduce the size of a PDF file?

Upload your PDF, choose a compression level, and start the process. The tool will create a smaller version of your document.

4. Can I compress a password-protected PDF?

Yes. Enter the PDF password when the tool asks for it. The file can then be unlocked and compressed. The new file will not keep the old password.

5. How much can I reduce my PDF file size?

The amount depends on the PDF. Files with large images or scanned pages may have more room for size reduction than simple text documents.

6. Can I see how much space I saved?

Yes. After compression, the result shows the original size, new size, saved space, and the percentage of size reduction.

7. Is my PDF uploaded to the internet?

No. The compression happens directly in your browser. Your PDF is processed locally instead of being uploaded to a server.

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Reduce the weight of bulky PDF documents for email, forms, websites, and cloud storage. Make files easier to manage while keeping important text, images, and pages intact.

About this Tool

A PDF compressor helps make large documents smaller and easier to handle. When a file takes too much space or is difficult to upload, reducing its size can make sharing and storage much more convenient.

Large PDFs are common when a document contains high-quality images, scanned pages, graphics, or many pages. Compressing the PDF can reduce the amount of data in the file while keeping the document useful and readable.

A smaller PDF can be helpful for email attachments, online forms, websites, cloud storage, and messaging apps. If you need to shrink a PDF file size or make a PDF smaller before uploading it, compression can be a practical option.

This tool provides a simple way to reduce PDF size online without changing the number of pages or turning the document into another format. Choose a compression level based on how much you want to reduce the file size and the quality you want to keep.

How to Use

Upload Your PDF: Select one PDF file from your device and upload it to the compressor.

Enter the Password if Needed: If your PDF is password protected, enter the password when asked. The tool will unlock the file so it can be compressed.

Choose a Compression Level: Select Low for the smallest file size, Medium for a balance between size and quality, or High when you want to keep better quality.

Start Compressing the PDF: Start the compression and watch the progress as your PDF is processed directly in your browser.

Cancel if You Change Your Mind: You can stop the process at any time by using the Cancel option while compression is running.

Check the Compression Results: After processing, compare the original size with the new size. You can also see how much space was saved and the total percentage of size reduction.

Download Your Compressed PDF: The compressed file is downloaded automatically after processing. If the original PDF was password protected, the downloaded compressed copy will no longer have that password.

Examples

Scenario

Example 1: Using Low Compression

Result

You have a 10 MB PDF and want to make it much smaller. Select **Low** compression to get a bigger reduction in file size. The quality may be lower, but the new PDF will be smaller.

Scenario

Example 2: Using Medium Compression

Result

You have a 10 MB PDF and want a good balance between size and quality. Select **Medium** compression. For example, the file may become around 5 MB while keeping the content clear.

Scenario

Example 3: Using High Compression

Result

Your PDF has important images and you want to keep them clear. Select **High** compression. The file may not become as small as with Low compression, but the quality will be better.

Scenario

Example 4: Compressing a Password-Protected PDF

Result

You have a PDF protected with a password. Upload it and enter the password when asked. The tool can unlock and compress the file. The new downloaded PDF will not have the old password.

Scenario

Example 5: Checking the Saved Size

Result

Your original PDF is 10 MB and the compressed file is 2 MB. The result screen shows the original size, new size, **8 MB saved**, and an **80% reduction** so you can clearly see the result.