LightPIX

Free

★ 1 • Updated Aug 30, 2026, 03:11 PM

LightPIX is a free online image compression tool designed to reduce the file size of PNG, JPEG, and WebP images by up to 80% while maintaining visual quality.

Use Cases ▼

Compressing website images before uploading to a CMS

Optimizing product photos for e-commerce stores

Reducing image sizes for email attachments or sharing

Batch compressing images for web performance optimization

Converting and shrinking screenshots for documentation

Preparing WebP assets for modern web pages

Quickly compressing social media graphics

What Problem It Solves ▼

Large image files slow down websites, consume bandwidth, and complicate sharing. LightPIX solves this by providing a free, browser-based way to compress PNG, JPEG, and WebP images by up to 80% with no visible quality loss, no signup, and no file retention, while supporting batch processing for efficient workflows.

Key Features ▼

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Free to use with no signup or watermark

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Batch compression of up to 20 images with ZIP download

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Images are deleted immediately after processing

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Quality slider for balancing size and clarity

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Free WordPress plugin for automatic compression

Overview

LightPIX is a free online image compression tool designed to reduce the file size of PNG, JPEG, and WebP images by up to 80% while maintaining visual quality. It runs entirely in the browser, requiring no signup, no watermark, and no installation. Users can drag and drop images, paste screenshots, or browse files, with support for up to 20 images per batch and a maximum file size of 16 MB each. The tool includes a quality slider for balancing file size and clarity, and processed images can be downloaded individually or as a ZIP archive.

Full Description ▼

Privacy is a core feature: images are transferred over HTTPS, compressed, and then deleted immediately from the servers, so they are never stored. LightPIX also offers a free WordPress plugin that automatically compresses images as soon as they are uploaded to the Media Library. The service is available on both desktop and mobile browsers, making it a convenient utility for developers, designers, and content creators who need quick image optimization without compromising on privacy or ease of use.