Automatically compress any image to 1MB or less — perfect for email and online upload limits.
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1 MB is a generous target for most images — high-resolution photos and hero images fit comfortably. The compressor iterates quality until the output is 1 MB or under.
1 MB is the target for high-resolution images that still need to load fast. Many platforms (blogs, portfolios, marketplaces) accept images up to 1 MB. Instead of guessing quality settings, our compressor iterates until the output is 1 MB or under — one upload, done.
| Input formats | JPG, PNG, WebP, AVIF, HEIC, GIF, BMP |
| Output format | Same as input |
| Target size | 1 MB or under |
| Iteration | Quality auto-tuned until target met |
| PNG | Lossless + proportional resize if needed |
| JPG/WebP/AVIF/HEIC | Quality-based |
| Max file size | 50 MB per file |
| File retention | Auto-deleted after compression |
The compressor detects the image format, decodes the image, and re-encodes it at progressively lower quality until the output is 1 MB or under. Format is preserved (lossless for PNG, quality-based for JPG/WebP/AVIF/HEIC).
1 MB is generous for most images — quality stays high even at large resolutions. For PNG (lossless), the compressor may resize proportionally if needed to reach the target.
| Level | Size reduction | Best for |
|---|---|---|
| Auto-target 1 MB | Variable (until 1 MB) | High-res photos, hero images |
Need to hit an exact size? Use our dedicated target-size tools:
Last reviewed: 2026-10-01