No upload required Browser-based 5 formats

Compress Image to 50KB

Use repeated compression passes to get as close as possible to 50KB. Smart mode defaults to WebP or JPG unless you choose another format.

Compression Settings

Output Format

Quality

Lower quality = smaller file size

Max Width (px)

Max Height (px)

Compare

ImageTiny

Compress + batch

Need faster photo compression on iPhone?

ImageTiny handles on-device compression, crop, resize, format conversion, and EXIF cleanup, with batch processing for up to 200 photos.

On-device Batch 200 Privacy-first

Download on App Store

Best for common iPhone photo workflows like HEIC, JPG, PNG, and WebP.

Compress Image to 50KB Online

Use this page when you need to compress image to 50KB online for forms, portals, CMS uploads, and document workflows.

The tool combines repeated quality and resize passes so you can get close to the requested file size whilst keeping the workflow private inside the browser.

Handle upload size limits

Use this page when a website, profile flow, or submission system rejects larger images.

Use smart output when needed

WebP or JPG usually reach strict size targets faster than keeping the original format.

Batch target-size compression

Upload multiple files, compare the results, and download the best output for each file.

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Compress Image Online Without Uploading

100% Client-Side

Compress image online and reduce image size online directly in your browser. Your images never leave your device.

Batch Image Compression

Reduce image file size for multiple images at once, then download each file or a ZIP.

Adjust Compression Level

Control how much you compress image size so you can balance visual quality and file weight.

JPG, PNG, WebP, GIF

Reduce image size and compress image file size across the most common web image formats.

How to Reduce Image File Size Online

Upload

Upload or paste the image you want to compress online.

Configure

Adjust quality, width, or height if you want to reduce image size more aggressively.

Compress

Click "Compress" to compress image size in your browser.

Download

Download the optimized image with a smaller file size.

Frequently Asked Questions

This tool compresses image online inside your browser, so your files stay on your device whilst you reduce image size and reduce image file size.

Yes. You can adjust quality and dimensions to compress image size whilst keeping a strong visual result for web, email, and documents.

You can compress image online for JPG, PNG, WebP, GIF, and HEIC files.

Yes. Batch mode lets you reduce image size online for multiple files and download them one by one or as a ZIP.

A quality setting around 75-85 usually gives a good balance between visual clarity and smaller file size for web publishing.

Start by lowering quality first. If the file is still too large after reaching quality 60, then try reducing dimensions as well.

Yes. HEIC input is supported. The tool can convert and compress HEIC files to JPG, WebP, or other formats directly in your browser.

Lossy compression (JPG, WebP at lower quality) reduces file size by discarding some image data. Lossless compression (PNG) keeps all data but usually results in larger files.

Yes. Compress Image to 50KB is a good fit when you need reduce file size before upload, email, forms, or web publishing.

Yes. It covers the same image compression workflow with local browser-based processing.