Pic Smaller

Free Online Batch Image Compression — Runs Entirely in Your BrowserJPEG, PNG, WebP, AVIF, HEIC, GIF, SVG · Drop files or whole folders · Nothing uploaded

Pic Smaller Workspace
Select files here, support dragging files and folders

Open source batch image compression tool, supports JPG/JPEG/PNG/WEBP/GIF/SVG/AVIF/HEIC/HEIF format

Tip: You can also paste image with Ctrl+V (Cmd+V), or drag and drop images here

Frequently asked questions

Are my images uploaded to a server?

No. Pic Smaller compresses everything locally in your browser using WebAssembly. Your images never leave your device, which makes it completely privacy-safe.

Which image formats are supported?

JPEG, PNG, WEBP, AVIF, HEIC, GIF and SVG are supported for compression, and you can convert between any output formats.

Can I compress images in batch?

Yes. Drag in multiple images or an entire folder at once, compress them all, then download everything as a single ZIP archive.

Is Pic Smaller free to use?

Yes, completely free with no signup and no limits. Pic Smaller is open-source software licensed under MIT.

Tools

Convert PNG to WebP online

Turn PNGs into WebP files about 30% smaller with no visible quality loss. Runs entirely in your browser — nothing is uploaded.

Convert HEIC to JPG online

Turn iPhone HEIC photos into widely supported JPGs that open on Windows, Android and the web.

Batch compress images

Drop an entire folder, compress everything at once and download a single ZIP. Hundreds of images in minutes.

Convert JPG to PNG online

Convert JPGs to PNG for transparent backgrounds and crisper edges — ideal for icons and UI assets.

Compress images losslessly

Shrink images as much as possible without losing a single pixel. Ideal for assets you have already optimised.

Resize images

Scale images by width, height, short edge or preset size, with proportional fitting and cropping.