PicLab - Compress, Resize & Convert Images - Free Online Tools

Compress, Resize & Convert Images - Free Online Tools

Free tools to compress, batch resize, convert HEIC, crop, remove backgrounds, and turn images into PDF - all in your browser. No install, no sign-up, and images never leave your device.

Drop your image here

or click to browse

You can also paste with Ctrl+V / ⌘V

Convert

Resize & Crop

Compress

Edit

Info & Privacy

Batch Processing

Popular Articles

Web Image File Size Optimization Strategy - Techniques for Reducing Size While Maintaining Quality

Systematically learn image file size optimization methods for maximizing web performance, from format selection to metadata removal.

Web Image Optimization Checklist - 15 Actionable Items for Production

A comprehensive 15-item checklist for web image optimization. Concrete techniques and priorities that directly improve Core Web Vitals scores.

Image Format Comparison - JPEG/PNG/WebP/AVIF/GIF/BMP Features and Use Cases

Compare technical characteristics of 6 major image formats. Organized comparison of compression methods, color depth, transparency, animation, and browser support with optimal format selection by use case.

JPEG vs WebP vs AVIF - Differences and How to Choose an Image Format

How JPEG, WebP, and AVIF differ, how quality trades off against file size, where browser support stands, which format suits photos, illustrations, transparent images, and animation, and how to test with your own images.

Recommended Image Formats and Sizes for Each Social Media Platform

A comprehensive guide to recommended image sizes, formats, and aspect ratios for X, Instagram, Facebook, LINE, and other major platforms.

Image Compression Explained - How JPEG, PNG, and WebP Work

A technical deep dive into JPEG, PNG, and WebP compression algorithms. Learn the differences between lossy and lossless compression, when to use each format, and how to optimize images for the web.

What is HEIC? How to Convert iPhone Photos to JPG

Learn about the HEIC format used by iPhones and how to convert to JPG. Understand why Apple uses HEIC, compatibility issues, and solutions.

The Future of Image Formats - How JPEG XL and WebP2 Will Transform the Web

Compare the technical features and future potential of next-gen image formats including JPEG XL, WebP2, and AVIF. Detailed analysis of compression performance, browser support, and migration strategies.

All Articles →

Glossary

All Terms →