pdf24 compress PDF sizes: pick your limit

pdf24 compress PDF sizes lists every exact-size preset. Pick the limit from your form or email and the compressor opens with it already set.

By the pdf24tools team · Updated

Which pdf24 compress PDF sizes preset should you pick?

Choose the preset that matches the upload limit printed on the form, or the next size down for safety. Job and exam portals often ask for 100 to 500 KB, visa and email uploads 1 to 2 MB, and email providers cap attachments at 20 to 25 MB.

pdf24 compress PDF sizes: Pick a limit, open the preset, choose the file and download a file that fits
From limit to fitting file in 4 steps.
Typical useUsual limit
Job or exam portal100–500 KB
Visa or passport upload1–2 MB
Gmail attachment25 MB
Outlook attachment20 MB

Up to 1 MB: which pdf24 compress PDF sizes presets exist?

Presets for compressing to a size up to 1 MB run from 10 KB to 900 KB. They suit single documents for job, exam and government portals, where each upload box usually takes one file with a strict limit in kilobytes.

pdf24 compress PDF sizes on a phone

Android and iPhone browsers run the same code; large files simply take a little longer on a phone.

pdf24 compress PDF sizes on a computer

Windows, macOS and Linux all work in Chrome, Edge, Firefox or Safari, with nothing to install.

pdf24 compress PDF sizes with many files

There is no file-count limit; the memory of your device is the only ceiling.

pdf24 compress PDF sizes: privacy in one line

Files are read by the browser and never uploaded, so nothing needs deleting afterwards.

From 1 MB: which pdf24 compress PDF sizes presets exist?

Presets for compressing to a size from 1 MB run from 1 MB to 25 MB. They suit long reports, scanned books and email attachments, where Gmail allows 25 MB and Outlook 20 MB for internet accounts according to Google and Microsoft help pages.

“Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.”

pdf24 compress PDF sizes works in Chrome, Edge, Firefox and Safari on Windows, macOS, Linux, Android and iOS.

pdf24 compress PDF sizes: frequently asked questions

Is pdf24 compress PDF sizes free to use?

Yes. Every preset on this page opens a free tool with no account, no watermark and no daily limit. The tools run on your own device, so files are never uploaded and you can try several limits in a row until one fits. Each tool shows the result size before you download it.

Why does pdf24 compress PDF sizes list so many sizes?

Forms ask for very different limits, from 10 KB on strict portals to 25 MB for email. A preset saves typing and avoids mistakes such as entering megabytes into a kilobyte box, which is a common reason for rejected uploads. Each preset is one click away from this page.

What if pdf24 compress PDF sizes has no preset for my limit?

Open any preset and type your own number into the size box. The tool accepts any target from 10 KB to about 20 MB, and it always returns a file at or under the number you type. The result size is shown before you download, so you can adjust and try again.

pdf24 compress PDF sizes: sources