OTF to TTF Converter - Free Online Tool

Convert OTF to TTF online instantly - free, no signup. Convert OpenType (OTF) font files with PostScript outlines to TrueType (TTF) format. Kerning, OpenType features & variable axes preserved.

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Convert otf to ttf

otfttf

Drop your OTF file here

or browse files · Max 10 MB

.otf

What happens when you convert OTF to TTF?

OTF and TTF are both OpenType fonts; the label that matters is the kind of outline inside. A TTF stores glyphs as TrueType outlines, built from quadratic Bézier curves.

An OTF very often stores them as PostScript (CFF) outlines, built from cubic curves. Converting OTF to TTF, when the source is CFF-based, means redrawing each cubic curve as the closest quadratic equivalent so the glyph fits the TrueType model that target software expects.

Done properly this is visually faithful: the converter places enough quadratic points to trace the original cubic path so the rendered letterform matches the source at normal sizes. Kerning pairs, OpenType features, ligatures, and the complete character set all carry across.

The one honest caveat is mathematical rather than cosmetic: cubic-to-quadratic is an approximation, not a byte-identical copy, so the outline data is rebuilt rather than merely repackaged. For installing, embedding, and rendering, the result behaves as a standard TTF anywhere a TTF is required.

When you actually need a TTF instead of an OTF?

For everyday desktop use on Windows, macOS, and Linux, OTF and TTF are equally at home, which is why the difference rarely comes up. It surfaces only when a specific tool refuses the OTF, and that is exactly the situation this conversion is for.

The common cases are consistent. Android font pipelines and some app build systems expect TTF and reject CFF-based OpenType. A number of game engines and older design or publishing programs only load TrueType outlines.

Certain embedded displays and devices ship with renderers that handle TTF and nothing else. Older versions of Windows software, in particular, were written before CFF support was universal and still ask for a plain TTF. In each case the typeface is fine; the file just has to arrive as TrueType for the target to accept it.

OTF (source)	TTF (output)
Often PostScript / CFF (cubic) outlines	TrueType (quadratic) outlines
OpenType format	OpenType format
Read by most modern software	Read by virtually all software, old and new
Rejected by some Android / engine / legacy pipelines	Accepted by TTF-only pipelines
OpenType features and kerning	OpenType features and kerning preserved
Variable axes supported	Variable axes preserved

From OTF upload to an installable TTF

Three steps move a font from OTF to a broadly compatible TTF:

Upload the OTF file — Drop the file on the converter or browse to it.
Conversion runs server-side — Where the source uses CFF outlines, each curve is converted to its TrueType equivalent while kerning tables, OpenType features, ligatures, stylistic alternates, and variable axes are preserved. The OTF is removed from the server once the TTF is delivered.
Download the TTF and use it anywhere — Install it on the operating system, hand it to a TTF-only pipeline, or load it into a design app.

To install the converted TTF, double-click it and choose Install on Windows or macOS, or drop it into the fonts directory on Linux. It then appears in the font menu of every application on the system, and it loads cleanly in the tools and pipelines that turned the original OTF away.

Frequently asked questions

Is the OTF to TTF converter free?

Yes. It runs without an account, with no signup, paywall, or cap on the number of conversions.

Why convert OTF to TTF if both are OpenType?

Because some software only accepts TrueType outlines. Android font pipelines, certain game engines, older design programs, and some embedded systems reject CFF-based OTF files. Converting to TTF gives you a file those tools will load.

Will the font still look the same after converting OTF to TTF?

At normal sizes, yes. When the source uses PostScript (CFF) curves, the font converter redraws them as TrueType curves closely enough that the letterforms match. Kerning, OpenType features, and the full character set are preserved. The outline data is rebuilt rather than copied byte-for-byte, but the visible result is faithful to the original.

Does the OTF to TTF converter handle variable fonts?

Yes. Variable axes are preserved in the TTF output, including weight, width, slant, optical size, and any custom axes.

Can I install the converted TTF on my computer?

Yes. The output is a standard TrueType file. Double-click to install on Windows or macOS, or place it in the fonts directory on Linux, and it becomes available to every application on the system.

Is there a file size limit for the OTF?

The converter accepts an OTF up to 10 MB, which covers nearly every font. Very large CJK or Indic families with extensive glyph sets take a moment longer to process but generally complete without issue.