![]() Independent of these features, both tools and user agents must assure that the validity of the underlying font data is preserved. Tools producing WOFF font files may provide other font editing features such as glyph subsetting, validation or font feature additions but these are considered outside the scope of this format. In general, the structure and contents of decompressed font data should match that of the original font file. WOFF encoding tools convert an existing sfnt-based font into a WOFF formatted file, and user agents restore the original sfnt-based font data for use with a webpage. The format also allows font metadata and private-use data to be included separately from the font data. A WOFF font file is simply a repackaged version of a sfnt-based font in compressed form. The WOFF format is directly based on the table-based sfnt structure used in TrueType, OpenType and Open Font Format fonts, which are collectively referred to as sfnt-based fonts. This document specifies a simple compressed file format for fonts, designed primarily for use on the web. Please consult the complete list of acknowledged W3C Member Submissions. Please consult the requirements associated with Member Submissions of section 3.3 of the W3C Patent Policy. Publication of acknowledged Member Submissions at the W3C site is one of the benefits of W3C Membership. A W3C Team Comment has been published in conjunction with this Member Submission. This document is not the product of a chartered W3C group, but is published as potential input to the W3C Process. Publication of this document by W3C indicates no endorsement of its content by W3C, nor that W3C has, is, or will be allocating any resources to the issues addressed by it. ![]() īy publishing this document, W3C acknowledges that the Submitting Members have made a formal Submission request to W3C for discussion. A list of current W3C publications can be found in the W3C technical reports index at. Other documents may supersede this document. This section describes the status of this document at the time of its publication. The WOFF format is not expected to replace other formats such as TrueType/OpenType/Open Font Format or SVG fonts, but provides an alternative solution for use cases where these formats may be less performant, or where licensing considerations make their use less acceptable. Such metadata does not affect the rendering of the font in any way, but may be displayed to the user on request. The WOFF format also allows additional metadata to be attached to the file this can be used by font designers or vendors to include licensing or other information, beyond that present in the original font. Any TrueType/OpenType/Open Font Format file can be losslessly converted to WOFF for Web use (subject to licensing of the font data) once decoded by a user agent, the WOFF font will display identically to the original desktop font from which it was created. ![]() This format was designed to provide lightweight, easy-to-implement compression of the font data, suitable for use in conjunction with the CSS declaration. This document specifies the WOFF font format. ![]()
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