Primary Query Cluster: image compressor online

Compress Images Online Without Uploads

Reduce JPEG, PNG, and WebP file sizes in your browser. Use this image compressor to improve page speed, cut upload weight, and keep private files on your device.

Updated April 2026 for current browser-based image workflows

When to use this compressor

Use the general image compressor when you want one place to test file size savings across common web formats. If you already know you are working with JPG-only or PNG-only assets, use the dedicated format pages for more targeted guidance.

Select Image to Compress

Complete Image Compression Guide

Step-by-Step Instructions

1

Upload Your Image

Drag and drop your image file or click to browse. Supports PNG, JPG, JPEG, and WebP formats up to 10MB.

2

Adjust Quality Settings

Use the quality slider to balance file size and image quality. Lower values create smaller files with reduced quality.

3

Compress & Export

Click “Compress Image” to process your file. Preview the result and export the optimized image.

Supported Formats & Features

Input Formats

PNG, JPG, JPEG, WebP (up to 10MB)

Output Format

High-quality JPEG with optimized compression

Quality Range

10% - 100% adjustable quality settings

Processing

Client-side compression for privacy and speed

Advanced Compression Tips & Techniques

Understanding Compression Types

Lossy Compression (JPEG)

Reduces file size by removing some image data. Best for photographs and complex images with many colors.

Lossless Compression (PNG)

Preserves all image data while reducing file size. Best for graphics, logos, and images with transparency.

Performance Optimization Strategies

Website Speed

  • • Compress images to 70-80% quality
  • • Use responsive image sizes
  • • Implement lazy loading

Email Attachments

  • • Keep files under 1MB
  • • Use 60-70% quality setting
  • • Resize large images first

Social Media

  • • Follow platform size guidelines
  • • Use 75-85% quality for posts
  • • Optimize for mobile viewing