Image Resizer (Pixel & Percentage)
Resize image dimensions by width, height, or scale factor with aspect-ratio locking.
Click to select or drag an image here
Supports PNG, JPEG, WebP • 100% processed locally on your device
Zero-Leakage Local Processing
All text formatting, JSON/JWT parsing, cryptographic hashing, and image compression execute entirely inside your browser. No private data is ever sent to Burnjet servers.
Quick Reference & Instructions
Simple steps, pro tips, and execution details
Select or Drop Files
Drag & drop your images, PDFs, or documents directly into the upload area.
Customize Quality & Target
Adjust compression sliders, page merge order, or target file format.
Save Processed File
Download your optimized files instantly. Zero server processing—100% in-browser.
How It Works
Draws files onto an in-memory canvas at target dimensions and exports the result for instant download.
Frequently Asked Questions
Common questions about calculations, assumptions, and edge cases.
Shrinking an image generally preserves visual quality well; enlarging it beyond its original resolution can introduce blurriness since new pixel detail has to be interpolated rather than captured.