TTF → OTF
Convert TrueType to OpenType – server-side
Why TTF → OTF?
OTF files are typically smaller than TTF and support advanced typography features like OpenType ligatures. Convert TTF to OTF for modern design workflows and space-efficient web embedding.
Frequently Asked Questions
What is an OTF file?
OTF (OpenType Font) is a modern font format with CFF outlines. It offers more compact file sizes and advanced typography features like ligatures and alternate glyphs.
Are my files safe?
Yes. The conversion happens on our server, but your file is deleted immediately after processing. We store no data.
Can I convert multiple files at once?
Yes, you can upload and convert as many TTF files as you want at the same time.
Is the conversion free?
Yes, wandlio.de is completely free. No registration, no limits, no ads.
About OTF
OTF (OpenType Font) was jointly developed by Microsoft and Adobe in 1996 as the successor to TrueType and Type 1 and was standardized as ISO 29444 in 2009, creating a unified standard for digital typefaces. OTF unifies the TrueType and CFF container formats in a single format with the .otf extension. CFF-based OTFs use cubic Bezier curves and achieve smaller file sizes for complex fonts compared to TTF. OTF supports advanced typographic features such as ligatures, alternate glyphs, swash letters, small caps, and contextual substitutions through OpenType Layout tables like GSUB and GPOS. The format can contain up to 65,536 glyphs and supports the full Unicode range including emoji and rare scripts. OTF is supported by all modern operating systems, browsers, and design applications and is today the preferred format for professional typefaces and typography in the graphic design industry. OTF bridged the gap between the PostScript and TrueType worlds.
About TTF
TTF (TrueType Font) was developed in the late 1980s by Apple in collaboration with Microsoft as a response to Adobes Type 1 PostScript fonts and was a milestone in digital typography. Apple introduced TrueType in 1991 with System 7, Microsoft followed in 1992 with Windows 3.1 and the Arial font family as an alternative to Helvetica. TTF uses quadratic Bezier curves to describe glyphs and offers hinting for better rendering at small point sizes on screens. The format supports up to 65,536 glyphs and includes Unicode cmap tables for multilingual character sets. TTF is the most widely distributed font format and is supported by all operating systems, browsers, and word processors. TrueType was crucial for democratizing typography by enabling scalable fonts on consumer devices for the first time. Modern fonts are increasingly released in CFF format as OTF, which supports cubic Bezier curves and achieves smaller file sizes for complex glyphs.
Why convert TTF → OTF?
TTF (TrueType Font) is a classic font format from Apple and Microsoft, supported on virtually every operating system since 1991. For web applications, however, TTF is too large — typically 100-200 KB per weight. Converting to OTF creates web-optimized versions: WOFF2 offers up to 30% better compression than WOFF and is the current web font standard. OTF is the choice for advanced typography features. OTF optimizes fonts for their respective use cases. OTF (OpenType Font) offers advanced typography features like ligatures and contextual alternatives.