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

Compress, Resize & Convert Images - Free Online Tools

Drop your image here

or click to browse

You can also paste with Ctrl+V / ⌘V

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.

Convert

Resize & Crop

Compress / Extract

Edit

Info & Privacy

Batch Processing

Popular Articles

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.

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.

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 (Post, Profile, and Cover Images)

A guide to recommended image sizes, formats, and aspect ratios for post, profile, and cover/header images on X, Instagram, Facebook, LINE, and other major platforms.

History of Image Formats - 40 Years of Evolution from BMP to AVIF

Explore the chronological history of major image formats including BMP, GIF, JPEG, PNG, WebP, and AVIF. Learn the context and technical innovations behind each format's creation.

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.

Vector vs Raster - A Guide to Choosing the Right Image Format

Understand the differences between vector and raster images from their underlying mechanics. Learn which format to choose for logos, photos, web design, and more.

Batch Image Processing Workflows - Designing and Implementing Efficient Bulk Processing

Learn how to design efficient workflows for batch processing hundreds to thousands of images, with practical command-line tool and script examples.

All Articles →

Glossary

All Terms →

Last Night's Adventure

An idle RPG where your party keeps exploring caves while you are away. You can play it free in your browser, with no sign-up.