Free file tools
Prepare files for the web. Nothing gets uploaded.
Convert images to WebP and AVIF, subset fonts to WOFF2, clean up SVGs and make favicons. Every tool runs in your browser, so your files stay on your device.
# Processed in your browser · 0 bytes uploaded
hero.jpg 2.4 MB → hero-1200.webp 142 KB
Lora.ttf 207 KB → lora-latin.woff2 35 KB
logo.svg 12 KB → logo.svg 3.0 KB
✓ 3 files ready · −91% total
Tools
Free tools to improve your website
Responsive image converter
Turn one image into WebP, AVIF and JPEG at every width, with picture markup ready to paste.
2.4 MB → 142 KB
Font subsetter
Keep only the characters your site uses and ship the font as WOFF2, with @font-face CSS.
207 KB → 35 KB
SVG optimizer
Strip editor clutter from SVGs and export them as inline SVG, React components or CSS.
12 KB → 3.0 KB
Favicon generator
Turn one logo into favicon.ico, an SVG icon, home screen icons and a web manifest.
1 logo → 6 icons
How it works
Your files never leave your device
Runs in this tab
Each tool is JavaScript and WebAssembly running in your browser. There’s no upload step, no queue and no file size limit beyond your device’s memory.
Built on proven engines
HarfBuzz for fonts, SVGO for vectors and your browser’s own image encoders. The same software behind professional build pipelines.
Free, with no sign-up
No account, no watermark and no daily limit. Ads keep the site running and stay out of the tools themselves.
Guides
Make your site faster
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TTF, OTF, WOFF and WOFF2: web font formats explained
TTF and OTF are desktop font files, and WOFF2 is the one to put on your website. Here’s what each format is, and how to convert between them.
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WebP vs AVIF vs JPEG: which image format to use
AVIF is usually smallest, WebP is the safe middle ground and JPEG still works everywhere. Here’s when to use each, and where JPEG XL fits now.
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Which favicon sizes do you actually need?
Most favicon guides list a dozen sizes you no longer need. Six files cover every browser and phone today. Here’s what each one does.