Quick Summary — Compress JPG Tool
Last Updated: August 22, 2026Compress JPG is a free online tool to reduce JPG photo file sizes instantly. Adjust compression levels with a live slider or set a custom target KB/MB size. Batch compress multiple JPG photos without losing noticeable visual clarity, preview new file sizes in real time, and download individually or as a single ZIP archive.
Compress JPG
Lightning-Fast JPG Compressor — Unlimited, High-Quality JPG Compression
Drop images here to start compressing
How to compress JPG?
Compressing JPG files reduces digital photo size for faster web publishing, email attachments, and storage saving. According to W3C Web Performance Guidelines, optimizing JPEG files reduces page load times and mobile data consumption without degrading image quality.
- Select JPG File: Start by choosing the JPG file on the best compress JPG tool.
- Preview JPG Files: Preview all the JPG files on the JPG compressor.
- Adjust Slider Compression: Next, use the slider to compress the JPG file size.
- Set Custom Target Size: Additionally, choose a custom size for compression as per your needs.
- Download Compressed File: Download the compressed JPG file to your desired size.
Image Compression Format Comparison
Comparing JPG compression against PNG and WEBP formats across speed, ratio, and transparency:
| Image Format | Compression Type | Average Size Reduction | Transparency Support |
|---|---|---|---|
| JPG / JPEG | Lossy Algorithm | Up to 80% Reduction | No (White Background) |
| WEBP | Next-Gen Lossy / Lossless | Up to 85% Reduction | Yes (Alpha Channel) |
| PNG | Lossless Compression | 20% - 40% Reduction | Yes (Full Alpha) |
Who Benefits from Online JPG Compression?
Web Developers & Designers
Shrink website hero graphics and blog thumbnails to boost Google Core Web Vitals scores.
Photographers & Creators
Compress high-resolution camera photos for online portfolios and email attachments.
E-Commerce Merchants
Batch compress product listing images for Amazon, Shopify, and eBay storefronts.
Mobile & Email Users
Quickly resize image attachments under 2MB for strict email server limits.
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