Image to WebP Converter

Convert JPG, PNG, GIF, or BMP to WebP format instantly — right in your browser. No uploads, no accounts, completely free.

Drag & drop images here, or click to select

Supports JPG, PNG, GIF, BMP, AVIF · Multiple files allowed

WebP Quality

82%

Higher = better quality, larger file. 75–85% is the sweet spot for most images.

How to Convert Images to WebP

1 Upload your image — drag and drop one or more files into the upload area, or click to browse. JPG, PNG, GIF, BMP, and AVIF are all accepted.
2 Set the quality level — use the slider to balance file size against visual quality. For most photos, 75–85% produces excellent results with significant file savings.
3 Click Convert — conversion happens instantly in your browser using the Canvas API. No file is ever sent to any server.
4 Download your WebP — click the download button to save the converted file. The filename keeps the original name with a .webp extension.

What Is WebP?

WebP is a modern image format developed by Google, first released in 2010. It uses advanced compression algorithms — both lossy and lossless — to produce images that are typically 25–35% smaller than equivalent JPEG or PNG files, with no perceptible quality difference at standard quality settings.

Unlike older formats, WebP supports transparency (like PNG) and animation (like GIF) within a single format. This versatility, combined with its compression efficiency, has made it the default image format for web performance optimization.

WebP is supported natively in Chrome, Firefox, Safari (version 14+), Edge, and Opera — covering over 97% of global browser usage as of 2025. It is the recommended format by Google PageSpeed Insights and Core Web Vitals guidelines for serving images on the web.

Why Convert to WebP?

Faster Page Loads

Smaller files mean faster downloads, lower bandwidth costs, and better Core Web Vitals scores.

Smaller File Sizes

WebP compresses 25–35% better than JPEG and up to 26% better than PNG at equivalent visual quality.

Better SEO Rankings

Google uses page speed as a ranking factor. Serving WebP images directly improves your Lighthouse score.

Transparency Support

WebP supports alpha-channel transparency — just like PNG — so you can replace transparent PNGs without losing quality.

100% Private

All conversion happens locally in your browser using the HTML5 Canvas API. Your images are never uploaded to any server, stored in any database, or shared with any third party. The tool works fully offline once the page is loaded.

Quality Guide

90–100% — Near-lossless, largest files
75–85% — Best balance for web photos
60–74% — Aggressive compression, good for thumbnails
Below 60% — Visible artifacts, use for previews only

Frequently Asked Questions

Can I convert multiple images at once?

Yes — select multiple files using the file picker or drag and drop a batch. Each image is converted individually and you can download them one by one from the results.

Will my transparent PNG stay transparent?

Yes. WebP natively supports alpha-channel transparency. When converting a PNG with transparency, the resulting WebP file will preserve the transparent areas.

What browsers support WebP?

Chrome (version 23+), Firefox (65+), Safari (14+), Edge (18+), and Opera (12.1+) all support WebP natively. This covers over 97% of users worldwide as of 2025.

Is there a file size limit?

There is no server-side limit since conversion happens entirely in your browser. Very large files (above 50 MB) may be slow depending on your device's processing speed.

Does converting to WebP reduce image dimensions?

No. This tool only changes the format and applies compression. The pixel dimensions of your image remain unchanged during conversion.