Compress PDF to 1 MB

Reduce any PDF to around 1 MB. Free, instant, and fully private. One of the most common upload limits on the web.

Target size:1.00 MB

Drop your PDF here

Will be compressed toward 1.00 MB (up to 300 MB)

Select PDF

100% Private

PDFs are processed in your browser. Nothing is uploaded.

As small as possible

We get as close to 1.00 MB as the file allows, and we tell you the exact result.

No Watermarks

Free forever, no signup, no daily limits.

Why 1 MB?

1 MB is probably the most common PDF upload limit on the internet: visa applications, banking forms, job portals, and countless web forms say "file must be under 1 MB". It's a generous target: enough room to keep several scanned pages sharp, while still being quick to upload and email. Because 1 MB is larger than a sub-500 KB limit, most multi-page documents reach it while staying clearly legible. Our tool renders the pages, fits the file as close to 1 MB as it can, and shows you the exact result. Everything is processed locally in your browser, so your PDF is never uploaded to a server.

how to compress a pdf to 1mb online free

Upload your PDF, pick the 1 MB target, and the tool shrinks it as close to 1 MB as it can, then shows you the exact final size (if a long or image-heavy file can't quite reach 1 MB, you get the smallest version it can make rather than a rejection). It runs entirely in your browser so the file is never uploaded, and because hitting a fixed size renders the pages to images, the text in the result is no longer selectable.

Frequently Asked Questions

Is 1 MB easy to reach?

For most documents, yes. Even multi-page scans usually compress under 1 MB while staying clearly legible. Very large photo-heavy PDFs are the exception, and we'll show you the smallest size we can reach.

How much quality will I lose at 1 MB?

Usually very little. 1 MB is plenty of room for a readable multi-page document, so the result stays crisp.

Does the text remain selectable?

No. Compressing to a fixed size renders pages to images. If you need selectable text or OCR, use the full Compress PDF tool. Open Compress PDF

Free and watermark-free?

Yes, completely free, no signup, no watermark, no daily limits.

Are my files uploaded?

No. All compression happens in your browser; your PDF never leaves your device.