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1MB Compressor Free
Compress an image to 1MB.
Need an image under 1MB? Upload it above. The compressor searches for a high-quality result below your 1MB target, with results dependent on the source image, dimensions, and format.
Drop images here to start
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- JPG
- PNG
- WebP
- AVIF
- GIF
- SVG
- HEIC
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Drop images anywhere in this page, or use the buttons above.
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Original 0 B
New 0 B
Saved 0 B −0%
Ratio 1.00×
Spot check
Drag the divider or switch to side-by-side / zoom to compare the first image.
When is a 1MB target useful?
A 1MB target is useful for web images, product photos, document illustrations, and uploads where you want a clear size ceiling but still want room for useful detail. It is a middle-ground target for images that are too large to upload comfortably but do not need to be reduced to a tiny thumbnail. Check the image at the size where it will be displayed before publishing it.
This page sets target-size mode to 1000KB, the KB equivalent used for the 1MB target here. The compressor searches for a high-quality result under that target using suitable compression and dimension changes. The final result depends on the source image, dimensions, and output format. If the image is highly detailed, a larger target may preserve more of the original appearance.
Supported formats and privacy
Supported output formats include JPEG, PNG, WebP, and AVIF. Use the JPEG compressor for photographs, the PNG compressor for graphics or transparency, or the WebP compressor or AVIF compressor for modern web delivery. For this compressor, image files are processed in the browser rather than uploaded to a server.
Other size and batch tools
If 1MB is not the right ceiling, use the general compressor or compare the 100KB compressor, 200KB, or 500KB target pages. For batches, use the bulk image compressor. The email compressor and Discord compressor are helpful when the destination is the main constraint.
All image tools
Compress, resize, crop, convert, and more — all in your browser.
Related compressor tools
Optimize your images for any format, platform, or file size.
Frequently asked questions
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How do I compress an image to under 1MB?
Upload your image to the compressor. The target is preset to 1000 KB, which is the 1MB target used by this page, and the compressor searches for a high-quality result under it. Results depend on the source image, dimensions, and format.
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When should I target 1MB?
A 1MB target can be useful for a web image, a product photo, a document image, or an upload where you want a predictable ceiling without shrinking the image more than necessary. If the image will be shown very small, a lower target may be enough.
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Which formats does the compressor support?
The compressor accepts supported image inputs and can output JPEG, PNG, WebP, or AVIF. JPEG and WebP are often practical for photographs, while PNG can help preserve transparency and sharp flat graphics. The right output depends on the image and where it will be used.
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Is the image processed locally?
For this compressor, image files are processed in the browser. They are not uploaded to a server for compression, so the file remains on your device while the compressor works.
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Can I compress a folder of images?
Yes, use the bulk image compressor when you have several files. This page is focused on a 1MB target for an individual image, so you can review the output before adding it to a larger workflow.
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Free. Unlimited. Your files never leave your device.