Do more.
Use less.
Compress images, generate QR codes, format JSON, convert colors and more — all free, all private, all in your browser.
Most Popular
Featured Tools
Image Compressor
Compress JPG, PNG, and WebP images — bulk batch support, download as ZIP
QR Code Generator
Generate QR codes for URLs, text, WiFi, and vCards with custom colors
JSON Formatter
Format, validate, and minify JSON with syntax highlighting
PDF Compressor
Compress multiple PDF files at once — bulk batch support, download as ZIP
PDF Editor
Add text, draw, highlight, sign, and insert images into PDF files — all in your browser
Merge PDF
Combine multiple PDF files into one document
Organized for you
Browse by Category
Our principles
Why Lessify?
Instant & Local
Every tool runs directly in your browser using modern Web APIs. No waiting, no servers, no latency.
100% Private
Your files never leave your device. We don't store, track, or share anything you process.
Always Free
No paywalls, no watermarks, no usage limits. Every tool is completely free, forever.
AI-Powered
Select tools include AI assistance — explain errors, fix broken data, and generate patterns from plain English.