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Compress PDF to 500KB
Shrink a PDF down to under 500 KB, with more headroom for image quality.
Select a PDF to compress
Click to choose, or drop a file here
Related PDF tools
Compress PDF to 1MBShrink a PDF down to under 1 MB — a good default for email and most upload limits.Compress PDF to 200KBShrink a PDF down to under 200 KB.Compress to Target SizeShrink a PDF down until it fits under a size you choose — for email or upload limits.Compress PDFShrink file size by re-encoding page images.
Compress PDF to 500KB — frequently asked questions
Is 500 KB better than 100 or 200 KB?+
It gives the compressor more headroom, so images generally come out sharper. Use it whenever the form's limit allows it.
Will my file actually reach exactly 500 KB?+
It aims for under 500 KB, not exactly 500 KB — the result is usually a bit smaller than the limit.
你们会把我的文件上传到服务器吗？+
不会——这里的每个工具都完全在你的设备上处理文件，不会向服务器上传任何内容。唯一的例外是 AI 工具，它们会把提取的文本（而非文件本身）发送给 Claude 来完成工作。
有文件大小限制吗？+
我们没有人为设置限制，但由于处理过程在你的浏览器中进行，非常大的文件（超过 500MB 或 1000 页）会受到你设备内存的限制，而非我们的限制。
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