Image Converter
Convert between PNG, JPG, WebP, AVIF, JPEG XL, TIFF, BMP, GIF, SVG, ICO, and HDR — instantly, in your browser. No upload. No waiting. Free for unlimited files.
01 — Overview
How it works
A universal image format converter that runs entirely in your browser via WebAssembly. Drop any image file, pick a target format, adjust quality if it's a lossy format, and download. Batch convert as many files as you want at once. The conversion engine uses convert.now's own WebAssembly codec suite (with jSquash as a fallback) for fast, high-quality output. Files never leave your device — there's nothing to upload, nothing to wait for, and nothing for anyone to see.
02 — Use cases
When to use it
- 01
Convert a folder of PNG screenshots to WebP for a faster website
- 02
Turn an AVIF download into JPG for software that doesn't read AVIF
- 03
Batch-convert a photo dump into a single format before importing into a tool
- 04
Strip the alpha channel by converting transparent PNGs to JPG
03 — Examples
Real input, real output
20 PNG screenshots → WebP at quality 80
ex 0120 WebP files, typically 70–80% smaller than the originals
Standard 'make my site lighter' workflow.
1 AVIF photo → JPG quality 90
ex 021 JPG file, compatible with everything
Useful when downstream software (e.g. older Photoshop, print tools) can't read AVIF.
100 mixed-format dump → all PNG
ex 03100 PNG files, ready for archive
Lossless normalization before storage.
04 — FAQ
Frequently asked
05 — More
Tools that pair well
How to Convert HEIC to JPG
Learn how to convert iPhone HEIC photos to JPG — a quick guide to exporting compatible images right on your Apple device.
Image Compressor
Compress PNG, JPG, and WebP images without changing format. Privacy-preserving — runs in your browser, not on a server.
Images to PDF Converter
Combine JPG, PNG, and WebP images into a single PDF. Drag to reorder, pick a page size, download. No upload, ever.