How much can I reduce image file size without losing quality?

At a quality setting of 70-80%, JPG and WebP images typically shrink 50-80% with no perceptible difference at normal viewing size. PNG files compress less because they are already lossless.

Which image formats can I compress?

JPG, PNG, and WebP are all supported. You can also convert between these formats during compression — for example, converting a PNG to WebP for better web compression.

Does compressing an image reduce its dimensions?

Only if you set a maximum width. Compression alone reduces file size without changing pixel dimensions. Use the max-width setting if you also want to resize.

Are my images uploaded to a server?

No. All compression runs entirely in your browser using client-side processing. Your images never leave your device.

Can I compress multiple images at once?

Yes. Upload a batch and compress all files simultaneously. Download them individually or as a single ZIP archive.

Compress Images Online Without Losing Quality

Shrink JPG, PNG, and WebP images by up to 90% with no visible quality loss. Adjust the quality slider, set a maximum width, and choose the output format — all processing runs locally in your browser so your photos stay private.

Quality — 75%

SmallestBest quality

Max Width (px)

Output Format

🖼️

Drop images here or click to browse

JPG, PNG, WebP — up to 50 MB each • Max 25 images

⚡

Lightning Fast

Compression runs locally in your browser — no upload, no server.

🎯

Fine Control

Adjust quality, max width, and output format to hit your target size.

🔒

100% Private

Images never leave your device. Nothing is stored or sent anywhere.

When to Compress an Image

Website & blog images

Oversized images are the most common cause of slow page loads. Compressing before upload keeps your site fast without degrading visual quality.

Email attachments

Most email providers cap attachments at 10–25MB. Compress product photos, flyers, or event images so they send without being rejected.

Social media uploads

Platforms re-compress uploads automatically. Starting with an already-compressed image gives you more control over the final quality.

How to Compress an Image Online

Upload images

Drag and drop or click to select JPG, PNG, or WebP files.

Adjust settings

Set the quality level, maximum width, and output format.

Preview results

Compare original vs compressed file sizes instantly.

Download

Save individual files or download all as a ZIP archive.

What Quality Setting Should You Use?

For web use, a quality setting of 70–80% is the standard recommendation. At this level, images look sharp on screen and the difference from the original is invisible to the human eye at normal viewing sizes. For print-quality output where you need maximum sharpness, use 85–90%. For maximum file-size reduction where quality is secondary — such as thumbnail previews or loading placeholders — 50–60% is acceptable. PNG files are lossless and compress differently: reducing their file size requires either switching to JPG or WebP, or reducing the image dimensions.

JPG vs. WebP: Which Format Compresses Better?

WebP typically produces files 25–35% smaller than JPG at the same visual quality. It is supported by all modern browsers including Chrome, Firefox, Safari, and Edge. For new web projects, converting to WebP during compression is almost always the right choice. For use cases where compatibility with older software or email clients matters — such as attaching a photo to a business email — JPG remains the safer option. PNG is best kept for images that require transparency, such as logos or design assets with transparent backgrounds.

Frequently Asked Questions

How much can I reduce image file size without losing quality?: At a quality setting of 70-80%, JPG and WebP images typically shrink 50-80% with no perceptible difference at normal viewing size. PNG files compress less because they are already lossless.
Which image formats can I compress?: JPG, PNG, and WebP are all supported. You can also convert between these formats during compression — for example, converting a PNG to WebP for better web compression.
Does compressing an image reduce its dimensions?: Only if you set a maximum width. Compression alone reduces file size without changing pixel dimensions. Use the max-width setting if you also want to resize.
Are my images uploaded to a server?: No. All compression runs entirely in your browser using client-side processing. Your images never leave your device.
Can I compress multiple images at once?: Yes. Upload a batch and compress all files simultaneously. Download them individually or as a single ZIP archive.

Image Tools