How to Compress a PDF for Email (Without Making It Unreadable)
Email attachment limits explained, why some PDFs are so large, and a step-by-step way to shrink a PDF until it fits — plus what to do if it still won't.
Free PDF and image tools with no sign-up and no watermarks. Most run entirely in your browser, so your files never leave your device.
The tools people reach for most
Simple tools that do one job well — and respect your privacy while they do it.
Most tools process files locally in your browser. The few that need a server engine delete your file immediately after conversion.
In-browser tools start instantly — there is no upload wait and no server queue.
No accounts, no watermarks and no daily limits on how many files you process.
Use it on Windows, Mac, Linux, iPhone or Android in any modern browser.
No software to install and no account to create.
Choose from 31 dedicated tools for converting, compressing, editing and protecting files.
Drag it in or tap to browse. Most tools process it right in your browser.
Save the finished file straight to your device. Nothing is kept afterwards.
Clear answers to common questions about privacy, safety, and compatibility.
Email attachment limits explained, why some PDFs are so large, and a step-by-step way to shrink a PDF until it fits — plus what to do if it still won't.
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A practical comparison of JPG, PNG and WebP — how each format compresses images, when to use which, and how to convert between them safely.
Pick a tool and you're done in seconds — free, with no sign-up.