What to know before you run it

Compress JPG, PNG, and WebP images in your browser.

Compress JPG, PNG, and WebP images in your browser. Tune image quality, compare before and after file sizes, preview the output, and download an optimized file in seconds.

Most image mistakes show up in format compatibility, crop decisions, or lost detail, so the page keeps those checks close before you move the file forward.

What to use it for

Quality slider with output format control
Before and after previews with file size comparison
Local browser processing with no forced upload

Quick start with Image Compressor

1 Open Image Compressor, then load the image or image-like input you want to change. A realistic starting input is "A marketplace product photo that exceeds the upload size limit by a few megabytes".
2 Set the image option that matters for the next channel, then review the preview before you export. Compare both file size and the readability of small text or edges before you accept the export.
3 Download the export or move into the next related image or PDF step if size, framing, or format still needs work.

When file size is the real blocker

When the image content is acceptable but the current file is too heavy for the next channel.

Open Image Compressor when your next step depends on image size, format, crop, rotation, preview quality, or download compatibility.
Use it before uploading to a listing, chat, CMS, design review, or document flow that rejects the current format or size.
It also fits quick browser editing when you do not need a full desktop editor but still need to inspect the output carefully.

What a good compressed result looks like

Focus on the tradeoff between smaller bytes and still-usable detail instead of celebrating the smallest file.

The result shows whether the image is now compatible with the target platform while keeping enough visible quality or the expected dimensions.
Previewing before download helps catch transparency loss, crop mistakes, stretched sizing, or unreadable details early.
A verified export makes the next step clearer: publish, attach, convert again, or move into a PDF or image cleanup follow-up tool.

Compression examples from real uploads

Each example mirrors a place where image size limits and readability usually clash.

Prepare an image for upload

Try this input or scenario

A marketplace product photo that exceeds the upload size limit by a few megabytes

What to check in the result

Check the preview and final format so the upload target accepts the file without losing more quality than necessary.

Next move

This is better than trial-and-error uploading because you can see the visual tradeoff before leaving the page.

Create a cleaner shareable export

Try this input or scenario

A phone screenshot that should stay readable after being attached in chat or email

What to check in the result

Review whether the important subject is still visible and whether the final dimensions fit the next channel.

Next move

It keeps the image usable for the next person instead of optimizing only for storage size.

Continue into another image step

Try this input or scenario

A receipt or document image that still needs OCR or PDF packaging after compression

What to check in the result

Use the finished preview to decide whether the next step is another image export, a PDF page, or a metadata or compression check.

Next move

That keeps image preparation linear and avoids reopening the same file in multiple disconnected tools by guesswork.

Where compression quietly hurts usability

These are the checks that prevent a lighter file from becoming a worse file to send.

Check aspect ratio, transparency, orientation, and text legibility before assuming the converted or compressed image is ready.
Do not judge image quality by file size alone because a smaller download can still be wrong for print, upload, or editing.
If one export solved format compatibility but not size or framing, move into the next related image tool instead of repeating the same export settings.