Glyphviewer is a web application that analyses web font files. This app will parse any web font file provided as input, and will display its general information (such as name and copyright details) to the user. Glyphviewer also provides a testbed where users can enter text, and have it displayed using the font. Finally, this application can display the characters supported by the font along with their Unicode codepoints.

For more information about this application, see the documentation.

Note: most modern fonts represents hundreds, if not thousands, of characters. When the Shows characters in fonts checkbox is checked, the app will try to display all of the them. The result will be a very long page, which may be an issue for users with bandwidth problems.

Choose a font to analyse.

General information

This shows information for the font file FreeSans.woff derived from its header.

Full Name


Font Family


Font Subfamily


Unique subfamily identification

GNU: FreeSans Normal: 2012

PostScript name



Version 0412.2268



Font Vendor URL


Copyright 2002, 2003, 2005, 2008, 2009, 2010, 2012 GNU Freefont contributors.

Legal use information

This computer font is part of GNU FreeFont. It is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This font is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this font. If not, see

As a special exception, if you create a document which uses this font, and embed this font or unaltered portions of this font into the document, this font does not by itself cause the resulting document to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the document might be covered by the GNU General Public License. If you modify this font, you may extend this exception to your version of the font, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.

License URL

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Here is a sample message. Below it lies a text area where you can enter your test text. Adjust the font size, and click "Try it" to change the message. Hit "Reset" to return all settings to their defaults.

Hello world!
Enter some text to try out the font.

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