Converts ICO files to WebP format — favicons and app icons to modern websites. All conversion happens locally in your browser with no file size limits.
Runs on Canvas
Content reviewed October 2026 · About Toolzum
Convert JPEG XL images to WebP for today's browsers while keeping files small. Bridge next-gen masters to current web — local Canvas work, unlimited saves.
Rasterize SVG vectors to WebP for fast modern websites. Ship icons at a tenth of PNG bytes — local Canvas work, unlimited saves.
Convert JPG photos to modern WebP at ~30% smaller sizes for faster websites. Optimize entire image libraries before deploy — local Canvas work, unlimited saves.
Generate favicon packages — PNG icons plus Apple touch icons — from one image. Note: the .ico file is PNG data renamed (modern browsers only). Ship every platform icon in one pass — local generation, unlimited saves.
Convert animated GIFs to modern WebP or WebM formats with transparency support — ~10x smaller files. Shrink GIFs dramatically for modern web use — local conversion, unlimited saves.
ICO (Windows Icon) uses lossless (multiple sizes) encoding and is best for favicons and app icons — standard format for website bookmarks and Windows application icons. WebP (Web Picture Format) uses lossy or lossless encoding and excels at modern websites — Google-recommended format with superior compression for faster page loads. Converting between them lets you take advantage of each format's strengths — for example, using a compressed format for sharing and a lossless format for editing. All conversion happens locally in your browser with no file size limits.
Modern web favicons — smaller than PNG, supported everywhere that matters.
Yes — WebP keeps alpha unlike JPG, so converted icons stay transparent for modern web use.
Export at 192 and 512 for PWA manifests plus classic 16–48 for tabs.
No — conversion runs locally in your browser; unlimited saves on local tools.
WEBP to ICO
WebP to ICO output is not produced here — WebP input decodes, but Canvas cannot encode ICO, so conversion fails locally. Convert WebP to PNG/JPG/WebP instead — local, unlimited saves.
Bulk Image Format Converter
Convert image batches between JPG, PNG, WebP, and AVIF outputs (JPEG/PNG/WebP/AVIF/HEIC/HEIF/GIF/BMP/ICO/SVG inputs; HEIC via heic2any, SVG rasterized at intrinsic size or 1024px fallback) with a quality slider (10–100, default 80). Pair pages (?from/?to) preset the output. Flat ZIP renamed per file — local, 5-file guest batches, 25 signed-in, 500 Pro.
Batch Image Converter
Convert a batch of images to one output — JPG, PNG, or WebP — at quality 10–100% (default 80%), capped at 4096px longest side, then download everything as a ZIP. Files that fail conversion fall back to their originals inside the same archive — local library work.