Any file up to 500 MB. Drop several files and they come back as one ZIP. Many image, audio and video conversions run in your browser; anything else is uploaded and removed within the hour.
Convert your favicon or icon files from ICO to WEBP format effortlessly. This tool is ideal for web developers looking to optimize site assets for modern browsers.
The ICO format is a classic container for multiple icons, often stored without compression. In contrast, WEBP is a modern raster format that uses advanced compression algorithms to achieve significantly smaller file sizes. When you convert an ICO to WEBP, the image undergoes a transformation from a rigid icon structure into a web-optimized raster file, which significantly improves loading speed for web pages.
Since ICO is typically lossless and WEBP uses lossy compression by default, you may notice a slight loss of fine detail. However, this is usually offset by a massive reduction in file size.
We built this project so anyone can convert files without paywalls, accounts, or hidden limits. Here is what that promise means in practice.
Every converter on ConvertX is free to use: no trials, no premium tiers, and no credit packs. We will never put core conversion features behind a subscription. Whether you convert one photo or a hundred files a week, the price stays zero.
Many image, audio, and video conversions run entirely in your browser. Your files never leave your device for those jobs. When server processing is required for documents or specialized formats, uploads are handled securely and removed automatically — typically within one hour.
A quick guide to strengths and trade-offs of popular formats — so you pick the right one before converting.
Raster and vector graphics for web, print, and photography.
Common extensions: PNG, JPG, WebP, AVIF, GIF, SVG, HEIC, TIFF
Office files, PDFs, ebooks, and plain text.
Common extensions: PDF, DOCX, XLSX, PPTX, ODT, EPUB, TXT
Clips, streams, screen recordings, and movies.
Common extensions: MP4, WebM, MOV, MKV, AVI, MPEG
Music, podcasts, voice recordings, and sound effects.
Common extensions: MP3, WAV, FLAC, OGG, AAC, M4A, OPUS
