Compress PDF to 1 MB Online

Upload your PDF, check that the target says 1 MB and click Compress PDF. When it's ready, click Download. It's free and takes a few seconds.

A 1 MB PDF can hold dozens of pages — long reports, presentations or scanned documents with photos usually fit with good quality.

At 1 MB there is plenty of room, so text stays crisp and photos keep good detail. Most people won't notice any difference on screen. Your page size and layout never change.

Yes, whenever your file can get that small and stay readable. The tool never goes over 1 MB on purpose — it finds the best quality that still fits. If a file can't reach it, you get the smallest readable version and a clear message.

For files up to 20 pages, the pages are automatically saved as grayscale or sharp black & white images, which are much smaller. The text stays readable but can't be selected. If it still doesn't fit, keep only the pages you need with Split PDF and try again.

1 MB limits are typical for e-mail attachments, online forms and court or tax e-filing systems that accept long or image-heavy documents.

Yes. Click one of the size buttons or type any size from 10 KB to 100 MB and pick KB or MB. The size chart on this page also links to ready-made pages for every common limit.

You can upload PDFs up to 50 MB and 100 pages, and compress up to 10 files per day for free. The image method is used for files up to 20 pages. The daily limit resets every day. Need more? Toolszu Pro gives up to 200 a day and bigger files.

Yes. Open this page in Safari, Chrome or any mobile browser, choose your PDF and tap Compress PDF. The smaller file downloads straight to your phone — no app needed.

Yes. Your file is sent over an encrypted connection, converted in an isolated sandbox with no internet access, never shared with anyone and deleted automatically within 1 hour. You can also delete it right away with the Delete now button.

Yes, it's 100% free. There's no sign-up, no premium version and no watermark added to your PDF.