LIHA Tools

OpenType (OTF) to WOFF Converter

Convert OpenType (OTF) fonts to WOFF in a browser-only batch. Font bytes, names, metadata, settings, and results are never uploaded.

Files stay in this browser tab and are never uploaded. Up to 25.0 MiB per file and 100 files.

Common output settings

Compression changes encoding effort, not glyph quality. Arbitrary target file sizes are not offered for fonts.

Rights and license fields remain required even when other metadata is removed.

The private batch workspace is ready. Font output becomes available after the verified font and WOFF2 engines are loaded.

How OpenType (OTF) to WOFF conversion works

OpenType (OTF) parse and rights check → fidelity diagnostics → WOFF write and verify

Reading OpenType (OTF)

OTF input is accepted for conversion after CFF or TrueType outlines and every fidelity-sensitive table are diagnosed.

Creating WOFF

WOFF output preserves compatible sfnt tables and license metadata in a webfont container.

Font rights and output integrity

Only convert fonts you have the right to use. Restricted, bitmap-only, missing, malformed, or conflicting embedding rights block output, and required license metadata must survive result verification.

OTF is an input-only format

LIHA Tools can read OpenType fonts with CFF or TrueType outlines, but it does not create OTF files. Choose TTF or a supported webfont target after reviewing the fidelity diagnostics.