Is image compression private on CompressPDFNow?

Yes. Images are processed locally in your browser and are not uploaded to any server.

Which formats can I compress?

You can compress JPG, PNG, and WebP images and choose output format controls for size and quality.

How can I get the best quality-size balance?

Start with quality around 0.8 and scale around 0.85x, then reduce gradually until the file size meets your target.

How do I compress an image to less than 100KB?

Enable Target file size, set 100 and choose KB, then compress. For best results, use WebP or JPEG output and lower scale if needed.

Free Image Compressor | Reduce JPG, PNG, WebP Size Online

Private Image Compression For Web And Sharing

Upload an image, pick output quality and scale, then download the compressed file. Your image never leaves your device.

Need document optimization too? Use our PDF compressor for the same local-first workflow.

Need to compress image below 100KB for forms or marketplace uploads? Turn on Target file size, set 100 and choose KB to optimize for that limit.

Why Use This Free Image Compressor

Large images slow websites, increase bandwidth usage, and make sharing harder on mobile networks. This tool helps you reduce image size quickly while keeping visuals clean enough for social posts, product catalogs, portfolios, and day-to-day messaging.

What You Can Optimize

Website assets: Speed up pages and reduce hosting transfer costs.
Email attachments: Keep files under common upload limits.
Marketplace images: Improve loading times on listing pages.
Mobile sharing: Send smaller images with less data usage.

Privacy And Control

Compression happens inside your browser tab. There is no remote processing queue and no account required. You control quality, scale, and output format before downloading.

Drop your image here

or click to choose a file (JPG, PNG, WebP)

No file selected

Image quality

0.8

Resolution scale

0.85x

Output format

Target file size

Waiting for an image...

No uploads. Everything stays on your device.

Compression Tips

Use WebP for strong size reduction on photos.
Use PNG for graphics and transparency.
Lower quality and scale for maximum reduction.

Image Compression FAQ

Will my image be uploaded to a server?

No. Compression is fully client-side and your file stays on your device.

What format should I choose for best file size?

WebP usually gives the smallest files for photos. PNG is better for transparency and flat graphics.

Can I preserve high image quality?

Yes. Start with quality between 0.8 and 0.9 and scale between 0.9x and 1.0x, then reduce gradually.

How can I compress an image to less than 100KB?

Enable Target file size, set 100, select KB, and compress. If it is still large, switch output to WebP or JPEG and reduce scale slightly.

Can I also compress PDFs on this site?

Yes. Open the PDF compressor to optimize document files with similar controls.

Ready To Reduce Image Size?

Choose your file, tune the sliders, and download in seconds. If you also work with documents, switch to the PDF compression tool from the same platform.