Image Tools

Image Compressor

Compress images with quality control for JPEG, PNG, and WebP formats

Click or drop images here

Supports JPEG, PNG, WebP · 50MB total limit

About

Compresses images with batch upload support, quality presets (low, medium, high, lossless), and format selection (JPEG, PNG, WebP, AVIF). Provides a before/after preview slider, shows size reduction percentage, adjusts max dimensions, and displays DPI information for each image.

Large images are the #1 cause of slow page loads, but finding the right compression-quality balance requires trial and error. This tool lets you visually compare compression results side by side while adjusting quality presets, making it easy to find the optimal trade-off for web performance.

Who should use this tool?

Web developers optimizing page load speed, content authors uploading media to websites, and designers preparing assets for production deployment.

Common use cases

Compress JPEG photos from a photoshoot for a fast-loading portfolio website
Batch convert PNG screenshots to WebP for a modern web application with better compression
Use the before/after slider to visually verify quality loss is acceptable before saving
Set a maximum dimension to downscale large images while compressing in one step
Check DPI information to ensure images meet print-quality requirements when needed

How to Use

Drag and drop images or click to upload one or multiple files

Select the target output format: JPEG, PNG, WebP, or AVIF

Choose a quality preset: Low (smallest file), Medium, High, or Lossless

Set a max dimension in pixels to downscale images that exceed the limit

Use the before/after slider on any image to compare original vs compressed quality

Review the size reduction % and DPI info for each image; download individually or all as a zip

Examples

Input: 5MB JPEG photo with Medium quality preset and WebP format. Output: 320KB WebP, 94% reduction, before/after slider shows minimal quality loss.

Input: 300 DPI PNG screenshot with max dimension set to 1920px. Output: Downscaled and compressed PNG at 1920px width, size reduced from 2MB to 400KB.

Best Practices

Use AVIF or WebP for web delivery; fall back to JPEG for maximum compatibility
Use the slider comparison to verify quality at each preset before batch processing
Set a max dimension matching your website's max content width to avoid wasted bytes
For PNG screenshots, try lossless WebP compression for the same quality at smaller size

Common Mistakes

Over-compressing at Low quality and not checking the slider preview before downloading
Compressing images that will be resized later by the browser, wasting quality on oversized pixels
Using JPEG for images with text or sharp edges where artifacts are more visible
Batch processing without setting a max dimension, leaving unnecessarily large pixel dimensions

FAQ

What is AVIF and is it supported? AVIF is a modern format with superior compression; supported in Chrome, Firefox, and Safari 16.4+.

Does batch processing preserve folder structure? No, all images are downloaded flat or in a zip.

How is the reduction percentage calculated? (Original size - Compressed size) / Original size * 100.

Can I keep EXIF data? Currently compression strips EXIF to maximize reduction; use the image-resizer tool for EXIF control.

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Learning Resources

Dive deeper with our comprehensive guides and tutorials.

Image Compressor - Beginner's Guide

5 min read

Image Compressor Advanced Techniques

8 min read

About

Who should use this tool?

Web developers optimizing page load speed, content authors uploading media to websites, and designers preparing assets for production deployment.

Common use cases

Compress JPEG photos from a photoshoot for a fast-loading portfolio website
Batch convert PNG screenshots to WebP for a modern web application with better compression
Use the before/after slider to visually verify quality loss is acceptable before saving
Set a maximum dimension to downscale large images while compressing in one step
Check DPI information to ensure images meet print-quality requirements when needed

How to Use

Drag and drop images or click to upload one or multiple files

Select the target output format: JPEG, PNG, WebP, or AVIF

Choose a quality preset: Low (smallest file), Medium, High, or Lossless

Set a max dimension in pixels to downscale images that exceed the limit

Use the before/after slider on any image to compare original vs compressed quality

Review the size reduction % and DPI info for each image; download individually or all as a zip

Best Practices

Use AVIF or WebP for web delivery; fall back to JPEG for maximum compatibility

Use the slider comparison to verify quality at each preset before batch processing

Set a max dimension matching your website's max content width to avoid wasted bytes

For PNG screenshots, try lossless WebP compression for the same quality at smaller size

Common Mistakes

Over-compressing at Low quality and not checking the slider preview before downloading

Compressing images that will be resized later by the browser, wasting quality on oversized pixels

Using JPEG for images with text or sharp edges where artifacts are more visible

Batch processing without setting a max dimension, leaving unnecessarily large pixel dimensions

FAQ

What is AVIF and is it supported? AVIF is a modern format with superior compression; supported in Chrome, Firefox, and Safari 16.4+.

Does batch processing preserve folder structure? No, all images are downloaded flat or in a zip.

How is the reduction percentage calculated? (Original size - Compressed size) / Original size * 100.

Can I keep EXIF data? Currently compression strips EXIF to maximize reduction; use the image-resizer tool for EXIF control.

Image Compressor

About

Who should use this tool?

Common use cases

How to Use

Examples

Best Practices

Common Mistakes

FAQ

Related Tools

Same Category — Image Tools

Image Resizer

EXIF Reader

Favicon Generator

SVG Optimizer

Popular Tools

JSON Formatter

Base64 Encoder/Decoder

JWT Decoder

Learning Resources

Share

Image Compressor

About

Who should use this tool?

Common use cases

How to Use

Examples

Best Practices

Common Mistakes

FAQ

Related Tools

Same Category — Image Tools

Image Resizer

EXIF Reader

Favicon Generator

SVG Optimizer

Popular Tools

JSON Formatter

Base64 Encoder/Decoder

JWT Decoder

Learning Resources

Share