How do I compress an image without losing quality?

For JPG and WebP, use the quality slider to find the highest compression level where the image still looks good — usually 70-85 quality keeps the image visually identical with significant savings. For PNG, Pixshift uses lossless compression, so quality is unchanged.

How much can I compress a JPG?

A typical JPG can be reduced 40-70% in size at quality 80, often with no visible difference. At quality 60, savings reach 70-85%. Pixshift shows you the exact saved bytes before you download.

Is image compression private with Pixshift?

Yes. Pixshift compresses images entirely in your browser. The image data is read into memory, compressed, and offered as a download. No file content leaves your device, so even sensitive photos can be compressed safely.

Can I compress multiple images at once?

Yes. Drop several images and Pixshift compresses them in parallel using your chosen quality setting. Download them individually or as a ZIP — useful when prepping photos for a website upload.

Does Pixshift work offline?

Once the page is loaded, Pixshift works without an internet connection. All compression runs locally in your browser, so you can compress images on a plane or in a cafe with bad WiFi.

Compress images

Drop images, pick a compression level, and download.

Drop images here

or click to browse

Up to 3 images per batch

Input: JPG · PNG · WebP · GIF · BMP · HEIC · HEIF · AVIF

Output: same format (HEIC · HEIF · AVIF → JPG)

About image compression

Pixshift compresses JPG, PNG, and WebP images directly in your browser to shrink file size without losing visible quality. There's no upload — every compression happens locally using your CPU. You stay in control of the quality slider, see the size savings instantly, and your originals never leave your device.

How image compression works

JPG and WebP use lossy compression — small bits of color and detail get discarded to shrink the file. You choose how aggressive the trade-off is using a quality slider from 1 to 100. PNG uses lossless compression, so the visible image stays identical but the file gets smaller through smarter encoding.

Pixshift uses the same compression libraries that power your browser, with options to resize images before compressing for even smaller files.

When to compress images

Faster websites. Smaller images load faster, improve Core Web Vitals, and use less bandwidth.

Email attachments. Most email providers cap attachments at 25 MB. Compress photos to stay under the limit.

Social media. Many platforms re-compress your images server-side. Pre-compressing first gives you control over how they look.

Storage savings. Backups, cloud storage, and old phones thank you.

Frequently asked questions

How do I compress an image without losing quality?: For JPG and WebP, use the quality slider to find the highest compression level where the image still looks good — usually 70-85 quality keeps the image visually identical with significant savings. For PNG, Pixshift uses lossless compression, so quality is unchanged.
How much can I compress a JPG?: A typical JPG can be reduced 40-70% in size at quality 80, often with no visible difference. At quality 60, savings reach 70-85%. Pixshift shows you the exact saved bytes before you download.
Is image compression private with Pixshift?: Yes. Pixshift compresses images entirely in your browser. The image data is read into memory, compressed, and offered as a download. No file content leaves your device, so even sensitive photos can be compressed safely.
Can I compress multiple images at once?: Yes. Drop several images and Pixshift compresses them in parallel using your chosen quality setting. Download them individually or as a ZIP — useful when prepping photos for a website upload.
Does Pixshift work offline?: Once the page is loaded, Pixshift works without an internet connection. All compression runs locally in your browser, so you can compress images on a plane or in a cafe with bad WiFi.