No upload required Browser-based 7 formats

Compress Image Online

Reduce image size, reduce image file size, and compress image size in your browser without uploads.

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 Online and Reduce Image File Size Faster

Use this page to compress image online, reduce image size, and reduce image file size without sending files to a server. It works well for website assets, blog uploads, email attachments, and everyday image cleanup.

If you need to compress image size for performance or storage, the best workflow is to preview the original, adjust quality or dimensions, and download the lighter version immediately. Because everything runs in the browser, you can reduce image size online with better privacy and a shorter workflow.

Reduce Image Size Online for Web Pages

Smaller images help pages load faster and use less bandwidth. Compress image size before publishing product photos, blog covers, or landing page graphics.

Reduce Image File Size for Sharing

Compress image online before sending files in email, chat, CMS uploads, or support forms where large attachments slow things down.

Compress JPG, PNG, WebP, GIF, and HEIC

Switch between quality levels and size settings to reduce image file size across the most common formats without a complicated editing workflow.

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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 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.