Compress PNG Online
Compress your PNG file online in seconds. This tool reduces an image file size without a visible quality hit. PNG is lossless by design, so PNG files are inherently larger than a compressed format at the same dimensions, especially for photographic content. No software installation required: you upload the file here and the conversion runs on our servers.
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Why Compress PNG Images
Whenever you need to compress a PNG file specifically because faster page loads, meeting an upload size limit, or fitting more photos into limited storage, this is the direct way to do it without extra software — especially relevant here since PNG is lossless by design, so PNG files are inherently larger than a compressed format at the same dimensions, especially for photographic content.
High-resolution photos from modern cameras and phones are far larger than most websites, forms, or email systems actually need — which is exactly the situation this tool is built for. Worth knowing: PNG is lossless by design, so PNG files are inherently larger than a compressed format at the same dimensions, especially for photographic content.
The most common reason to compress a PNG file: faster page loads, meeting an upload size limit, or fitting more photos into limited storage. PNG specifically: lossless by design, so PNG files are inherently larger than a compressed format at the same dimensions, especially for photographic content.
How to Compress PNG Images
- 1
Upload your PNG file.
- 2
MiConvert processes it: reduces an image file size without a visible quality hit.
- 3
Download the result.
- 4
Use it directly — no further conversion needed.
Key Features
- Built specifically for when faster page loads, meeting an upload size limit, or fitting more photos into limited storage — a common need for PNG, since it's lossless by design, so PNG files are inherently larger than a compressed format at the same dimensions, especially for photographic content
- Accounts for how PNG actually behaves: lossless by design, so PNG files are inherently larger than a compressed format at the same dimensions, especially for photographic content
- Fast turnaround, typically under a minute per file
- Free for files up to 50MB, 100MB for registered accounts
- Compresses PNG files on our servers, taking into account that PNG is lossless by design, so PNG files are inherently larger than a compressed format at the same dimensions, especially for photographic content
Frequently Asked Questions
How long does this take? ▼
Most files process in 10-30 seconds; larger or more complex files can take up to a minute.
Will the rest of my PNG file be affected? ▼
No — only what's specific to this action changes. Worth noting for PNG specifically: it's lossless by design, so PNG files are inherently larger than a compressed format at the same dimensions, especially for photographic content.
Is this free to use? ▼
Yes — free for files up to 50MB, with a 100MB limit for registered accounts, no subscription required.
Is there a file size limit? ▼
Free processing handles files up to 50MB; registered accounts get up to 100MB.
Why would I need to compress a PNG file? ▼
Mainly when faster page loads, meeting an upload size limit, or fitting more photos into limited storage — and specifically for PNG, keep in mind it's lossless by design, so PNG files are inherently larger than a compressed format at the same dimensions, especially for photographic content.
