HTML .html
Web document markup. User files are shown as source text and never executed.
HTML file format guideHTML to FB2 converter
Convert HTML (.html) to FB2 for free. Choose files, review the available settings and download your results. No account needed.
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FictionBook ebook .fb2
An XML ebook format describing book structure, text and illustrations.
Server processing uses engines we host. Availability depends on the deployed engine and supported file variant.
FB2 file format guideHow to convert HTML to FB2
- Select HTML files from your device or drag them into the converter.
- Check the FB2 output. Open conversion settings if you want to make adjustments.
- Convert, compare the original and result, then download your files.
Quality, compatibility and file limits
DRM-free books only. Layout, pagination and typography may change, especially from fixed-layout formats.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.