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Pixzul

Transform your creative vision into reality with our AI-powered prompt generation tools. Convert images to prompts, enhance text prompts, and generate stunning visuals.

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Free Image Compressor – Reduce File Size by Up to 93%

Compress PNG, JPEG, WebP, AVIF & HEIF images online without quality loss. Batch processing, instant results, no signup required.

Output Format

Choose the format for compressed images

Drop your images here

or click to select files

Supports PNG, JPEG, and WebP (max 10MB per file)

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Images Compressed
0 B
Total Saved
0%
Average Reduction

How It Works

1

Upload Images

Select or drag and drop your images (PNG, JPEG, WebP)

2

Auto Compress

Images are automatically compressed using smart algorithms

3

Download

Download compressed images individually or all at once

Image Compression Formats Explained

Image compression reduces file size while preserving visual quality, saving storage space, reducing bandwidth costs, and improving page load speed. Choose the right format for your needs:

AVIF Compression

AVIF is a next-gen image format based on AV1 codec, first introduced by Netflix in 2020. It delivers the highest compression ratio, reducing file size by over 93% compared to the original PNG.

Compression:Up to 93% smaller
Browser:Chrome, Firefox, Android

WebP Compression

WebP provides superior compression compared to JPEG. At the same quality level, WebP files are at least 25% smaller than JPEG, and it is supported by over 95% of browsers and devices.

Compression:Up to 86% smaller
Browser:Chrome, Safari, Firefox, Edge, iOS, Android

HEIF Compression

HEIF offers ultra-high compression rates, reducing file sizes by over 80% compared to JPEG. It is the default photo format on iOS 11+ and natively supported on Android P+.

Compression:Up to 88% smaller
Browser:iOS 11+, Android P+

TPG Compression

TPG is Tencent proprietary image format supporting both static and animated images. It reduces GIF file sizes by over 90% and PNG by over 50%. Supported by QQ Browser and QQ Space.

Compression:Up to 88% smaller
Browser:QQ Browser, Tencent apps

Smart Compression (Auto)

Automatically adjusts image quality based on intelligent analysis of subjective quality, significantly reducing file size while keeping the original format unchanged and maintaining visual fidelity.

Compression:Up to 87% smaller
Browser:All browsers (fully compatible)

Compression Ratio Comparison

Compression results for a 465 KB PNG image (results may vary)

FormatSizeReduction
PNG (Original)465 KB-
JPEG114 KB75.5%
AVIF32 KB93.1%
WebP64 KB86.2%
HEIF54 KB88.4%
TPG56 KB88.0%
Smart (Auto)59 KB87.3%

Frequently Asked Questions

Is my image data secure?

Yes! All compression is done locally in your browser. Your images never leave your device and are not uploaded to any server.

What image formats are supported?

We support PNG, JPEG, and WebP formats. Each image can be up to 10MB in size.

Will compression reduce image quality?

Our compression algorithm is designed to reduce file size while maintaining high visual quality. The quality reduction is typically imperceptible to the human eye.

What is AVIF format and why should I use it?

AVIF is a next-generation image format based on the AV1 video codec. It offers the best compression ratio available, making files up to 93% smaller than PNG. It is ideal for web use where bandwidth savings are critical.

What is the difference between WebP and JPEG?

WebP provides 25%+ better compression than JPEG at the same quality level. WebP also supports transparency like PNG, while JPEG does not. WebP is now supported by over 95% of browsers worldwide.

When should I use HEIF or TPG?

HEIF is ideal for iOS/Android apps where native support exists. TPG is optimized for Tencent ecosystem (QQ Browser, WeChat Mini Programs). For general web use, WebP or AVIF are recommended for their broad browser compatibility.