CompressJPEG

// JPEG image compressor

Compress JPEGs to the size you need

Get your JPG under 200 KB, 100 KB, 50 KB, or any size limit — while preserving the best possible quality.

Upload JPEG

JPG · Up to 20 files · 30 MB each

Files are processed directly in your browser. They never leave your device.

Signup
None
Uploads
Zero
Watermark
Never

Upload your images

Drop JPEG images here

or choose files from your device

You can also paste an image with Ctrl / ⌘ + V

JPG · up to 20 files · 30 MB each

Target size

Need your JPEG under a specific size?

Set the maximum file size and we’ll search for the highest quality that fits instead of making you guess a compression setting.

One example — same photo, one size limit

Choose how you want to compress

Smart

Best for most images

Automatically balances file size and visual quality.

Quality

You choose the quality

Control the JPEG quality level yourself.

Key feature

Target Size

Best for upload limits

Set a maximum file size and we’ll find the highest quality that fits.

Not sure? Try Target Size — the mode built for “must be under 200 KB” forms.

Your images stay on your device

CompressJPEG processes your images directly in your browser. Your photos are not uploaded to a server.

No uploads

Images stay on your device.

No signup

Start compressing immediately.

No watermark

Your compressed images remain yours.

How it works

Three steps to a smaller JPEG.

Choose

Upload, drag, drop, or paste your JPEG.

Compress

Choose Smart, Quality, or Target Size.

Download

Save your smaller JPEG.

Compress JPEGs for everyday upload limits

Online Forms

Meet image-size requirements without manually guessing compression settings.

Government & Applications

Get photos and documents below the required file-size limit.

Email

Make large JPEG attachments smaller and easier to send.

Websites

Reduce image sizes to help pages load faster.

Compress JPEG images online

JPEG compression reduces file size by removing image information that has less visual importance. CompressJPEG helps you reduce JPG file sizes while preserving as much visual quality as possible.

Why JPEG files are large

Modern phones and cameras can produce very large JPEG files because of high resolution and image detail.

Why compress JPEGs?

Smaller images are easier to upload, email, store, and serve on websites — and they stay under the file-size limits that forms and portals enforce.

JPEG compression vs quality

Higher compression generally produces smaller files but can introduce more visible artifacts. CompressJPEG’s Target Size mode searches for the highest quality that remains within your chosen file-size limit.

Frequently Asked Questions

How do I compress a JPEG image?

Drop your JPEG into the upload zone above, or choose files from your device (you can also paste with Ctrl/⌘ + V). The editor opens with your images — pick Smart, Quality, or Target Size, press Compress, then download the result.

How do I compress a JPEG under 200 KB?

Choose the Target Size mode and pick 200 KB (or type a custom size). The tool searches quality 100→1 for the highest quality that fits under your limit. If it cannot fit without ruining the photo, it will say so and suggest enabling Resize instead of silently destroying quality.

Which mode should I use — Smart, Quality, or Target Size?

Smart (Balanced) is right for most people — it picks quality 80 automatically. Use Quality when you want manual control via the slider. Use Target Size when a form, portal, or upload demands a maximum file size.

Does compressing JPEG reduce image quality?

Yes, JPEG compression is lossy — some data is permanently removed. At Smart Balanced (quality 80), the difference is invisible for most photos. Maximum Savings is visibly softer but much smaller. The before/after comparison shows you exactly what changed.

How much smaller will my JPEG become?

Typically 60–80% at Balanced. A 4 MB phone photo usually becomes roughly 1 MB. Busy, detailed photos compress less than simple ones. The result screen always shows original → compressed size, percentage, and bytes saved.

Are my images private?

Yes. Compression runs locally in your browser — image bytes are never uploaded to our servers. The compression library itself loads from a CDN, so the page needs internet once, but your photos never leave your device.

Can I compress multiple JPEGs at once?

Yes — up to 20 images. They are processed one at a time so large batches don’t freeze your browser. Download individually or all together as a ZIP file.

No signup · No uploads · No watermark

Ready to make your JPEG smaller?

Upload your image and choose the size you need.