Pic Smaller is a free, open-source batch image compression tool that runs entirely in the browser, supporting JPG, PNG, WEBP, GIF, SVG, and AVIF formats.
What is Pic Smaller?
Pic Smaller is a browser-based image compression tool that processes images locally without server uploads. It accepts image files via drag-and-drop, folder selection, or paste (Ctrl+V/Cmd+V), and outputs compressed versions in the same or different format. The tool is open source and available as a web application with an English interface.
Key Features
- Wide format support — Compresses JPG, JPEG, PNG, WEBP, GIF, SVG, and AVIF images in a single batch.
- Local processing — All compression happens on the user's device, ensuring privacy and fast turnaround.
- Batch compression — Select multiple files or entire folders; the tool processes them together.
- Customizable output — Adjust quality (0-1 for JPEG/WEBP), color count (2-256 for PNG/GIF), dithering coefficient (0-1 for PNG, on/off for GIF), and AVIF quality (1-100) and speed (1-10).
- Resize option — Apply resize before compression (exact dimensions not shown on page, but an option is present).
- Output format selection — Choose to convert to JPEG, WEBP, PNG, GIF, or AVIF independently of input.
- Reset/apply controls — One-click reset to defaults or apply current settings to all images.
Who is it for?
- Web developers compressing PNGs and JPEGs for faster page loads while retaining quality.
- Designers converting SVG or GIF assets to smaller formats like WEBP or AVIF.
- Anyone managing large image collections — batch-processing hundreds of files without uploading to a remote server.
- Privacy-conscious users who need image compression without third-party server access.
What can you do with Pic Smaller?
- Batch compress product photos: Drag a folder of JPEG product images, set quality to 0.7, and output as WEBP to save bandwidth.
- Optimize icons and logos: Convert PNG icons to indexed PNG with 128 colors and dithering for small file sizes.
- Prepare GIFs for social media: Reduce GIF color palette to 64 colors and enable dithering to maintain appearance.
- Convert AVIF with custom speed: Set AVIF quality to 80 and speed to 6 for a balance of compression time and size.
How does Pic Smaller work?
- Select images via file picker, drag-and-drop, or paste. 2. Adjust compression parameters (quality, colors, resize, output format) in the options panel. 3. Click "Apply options" to process all images locally. 4. Download the compressed files individually or as a batch (batch download not explicitly stated, but each image is downloadable).
FAQ
Is Pic Smaller free?
Yes, Pic Smaller is completely free to use and open source. There are no usage limits or hidden charges.
The tool supports JPG/JPEG, PNG, WEBP, GIF, SVG, and AVIF for input and output.
Does Pic Smaller upload images to a server?
No, all processing happens locally on your device. No images are uploaded, ensuring privacy.
Can I resize images?
Yes, the tool includes a resize option (exact dimension fields not visible on the page, but the toggle indicates the feature exists).
Is there a batch download option?
You can download each compressed image individually. Batch download functionality is not explicitly mentioned.