Are my images uploaded to a server?

No. Imagly works entirely client-side. Your images are decoded and re-encoded by web workers inside your browser, and the compressed results never leave your device.

Which image formats are supported?

Imagly supports all major image formats: JPEG, PNG, WebP, AVIF, GIF, SVG, BMP, ICO, and TIFF up to 50 MB each, in batches of up to 30 files.

What does the auto output format do?

The auto option keeps each image in its optimal compatible format. Choose JPEG, PNG, WebP, or AVIF explicitly when you want to convert files across formats.

What is smart compression?

Smart compression targets a file-size budget you set, for example 1 MB. The encoder iterates internally, gradually lowering quality until the image fits within the target size.

Can I resize images at the same time?

Yes. Pick a maximum edge length such as 2048 px and the longest side of every image is scaled down before compression, which makes results dramatically smaller.

Is Imagly free to use?

Yes, Imagly is free for any use with no account required. There are no watermarks, no usage limits, and no image is ever uploaded anywhere.

How many files can I compress at once?

Batches support up to 30 images with a 50 MB limit per file. Each file is processed in parallel with its own live progress bar, so the page stays responsive even with a full queue, and you can download everything bundled into a single ZIP.

Will compression reduce my image quality?

Compression is always a size-versus-fidelity tradeoff, and you control both ends. The quality slider runs from 10 to 100, with values around 80 usually looking visually identical while cutting size dramatically. Alternatively, use smart compression to target an exact file size, or cap the longest edge from 640 to 2560 px to shrink photos dramatically with minimal perceived loss.

How does smart compression work?

Smart compression targets the file size you set, for example 1 MB. The encoder iterates internally, lowering quality step by step until the image fits inside your budget.

Can I compress many images at once?

Yes. Batches support up to 30 images with a 50 MB limit per file. Each file gets its own live progress bar, and the finished batch can be downloaded as a single ZIP.

Will compressing images reduce the quality visibly?

You control the tradeoff. The quality slider runs from 10 to 100, and values around 80 are usually visually identical to the original while cutting file size dramatically.

Which image formats can I compress?

JPEG, PNG, WebP, AVIF, GIF, SVG, BMP, ICO, and TIFF are all accepted, up to 50 MB per file. You can keep the original format or convert every image to JPEG, PNG, WebP, or AVIF.

Are my images uploaded to a server?

No. Compression runs entirely inside your browser through web workers. Your images never leave your device.

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Batch-compress JPEG, PNG, WebP and more without uploading anything. Smart target-size compression, format conversion, and one-click ZIP downloads.

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Drop images here or click to browseJPEG, PNG, WebP, AVIF, GIF, SVG, BMP & more · Up to 50 MB per file · Batch up to 30 imagesTip: paste screenshots straight from your clipboard