What is the difference between OTF and TTF?

OTF is the OpenType font container, usually holding PostScript cubic outlines. It supports advanced typographic features such as ligatures, small caps and stylistic alternates, and is the format most type foundries ship to customers. TTF is the TrueType font container, using quadratic Bézier outlines. It installs on every desktop operating system and is the format design and office applications expect, though it is uncompressed and therefore inefficient on the web.

Anything to watch out for with TTF?

TTF and OTF are both SFNT containers. The practical difference is the outline type inside — quadratic for TrueType, cubic for PostScript. Converting OTF to TTF changes the container but does not resample the outlines; text renders identically.

Does converting a font affect how it renders?

No. All four formats here are containers around the same glyph outlines and OpenType tables, and the conversions are lossless — text renders identically before and after. What changes is file size and where the file can be used: browsers want WOFF2, operating systems want TTF or OTF.

Am I allowed to convert this font?

That depends on the font's licence, not on the tool. Many commercial licences permit desktop use but restrict web embedding, or the reverse. Converting the file does not change what the licence allows — check it before deploying a converted font to a website.

What should I know about starting from OTF?

OTF usually holds PostScript (CFF) cubic outlines and is what foundries ship. Its OpenType features — ligatures, small caps, stylistic sets — live in tables that survive the conversion intact. More broadly: OTF is the OpenType container, most often carrying PostScript (CFF) cubic outlines rather than TrueType's quadratic ones. It supports the full OpenType feature set — ligatures, alternates, small caps, stylistic sets — and is the format type foundries typically ship.

When is TTF the right choice?

TTF suits: installing a font locally for design or office software; any tool that rejects web font formats. It is the wrong choice when web delivery, where WOFF2 is roughly half the size for identical rendering.

Is there a file size limit?

No hard limit — the constraint is your browser's memory. Files under 50MB convert in a few seconds. Larger files work but take longer, and a browser tab typically has 250-500MB to play with, so very large batches are better split into smaller groups.

Does this work on mobile?

Yes. The drop zone falls back to your phone's file picker, and the conversion runs on-device exactly as it does on desktop. Large files are slower on a phone because there is less CPU and memory available, but nothing about the workflow changes.

Convert OTF to TTF

Convert OTF to TTF so you can install the typeface on your machine and use it in design software. Free, in your browser, no upload.

Drop font files to convert

TTF, OTF, WOFF, WOFF2

Files stay on your device. Open DevTools' Network tab to verify.

Overview

Why convert OTF to TTF

Operating systems will not install a web font. If you need this typeface in Figma, Illustrator, Word or anywhere outside a browser, it has to be TTF or OTF first. OTF usually holds PostScript (CFF) cubic outlines and is what foundries ship. Its OpenType features — ligatures, small caps, stylistic sets — live in tables that survive the conversion intact.

Comparison

OTF vs TTF: what actually differs

OTF compared with TTF across encoding, fidelity, file size and support.
Attribute	OTF	TTF
Full name	OpenType Font	TrueType Font
Encoding	Binary	Binary
What it preserves	Full outlines, OpenType features and metadata	Full outlines, hinting and metadata
Typical size	Uncompressed; typically slightly smaller than the same font as TTF	Uncompressed — the largest of the four font containers
Support	Installs on every modern desktop OS; readable by all design software.	Installs on Windows, macOS, Linux, iOS and Android.

How to

How to convert OTF to TTF

01
Drop your OTF file
Drag one or more OTF files onto the drop zone above, or click to browse. Files stay on your device — there is no upload step.
02
Convert to TTF
convert.now parses the OTF and writes it out as TTF in a Web Worker, so the page stays responsive even on large files. Nothing is sent anywhere.
03
Download the result
Download the TTF file, or a zip of all of them for a batch. Filenames are preserved, with the extension changed to .ttf.

Why here

Why convert.now

Private
Files stay in your browser. No upload step. Nothing for anyone to see.
Fast
No queue, no upload wait. Conversion starts the moment you drop a file.
Free
No ads. No file-count limit. No sign-up wall. Just the converter.

FAQ

OTF to TTF: common questions

No. The OTF to TTF conversion runs entirely in your browser. Files never leave your device, and there is no server involved in the conversion at all. Open DevTools' Network tab and run a conversion if you want to confirm it — you will see the page and its code load, and no request carrying your file.

Related OTF converters

Last updated 27 August 2026

Why convert OTF to TTF

OTF vs TTF: what actually differs

How to convert OTF to TTF

Drop your OTF file

Convert to TTF

Download the result

Why convert.now

OTF to TTF: common questions

Related OTF converters