To convert OTF to WOFF, choose your OTF fonts above, adjust the options if needed and press "Convert to WOFF". The WOFF downloads instantly: free, with no sign-up, and the file never leaves your device.
About the OTF to WOFF Converter
This OTF to WOFF converter turns fonts from OTF into WOFF without installing software or uploading anything. It solves a common problem: desktop fonts are heavier than necessary on websites. Converting to WOFF gives you a compressed web font, ideal for self-hosting fonts on websites with @font-face.
The font tables are unpacked and repacked byte for byte following the W3C WOFF specification, so no glyph, kerning pair or hinting instruction is changed. Because everything happens on your own device, your fonts are never uploaded, stored or seen by anyone else, which makes it safe for licensed and in-house brand fonts.
What to expect: the outlines, kerning and hinting stay exactly as designed because only the container changes.
How to use the OTF to WOFF Converter
- Click "Choose files" or drag your OTF fonts onto the box. You can add several at once.
- No settings are needed.
- Press "Convert to WOFF". The conversion runs on your device and shows its progress.
- Download each WOFF file, or use "Download all (ZIP)" when you converted several.
- Open the result in every modern browser or WordPress themes to check it; your original OTF is never changed.
Tips & benchmarks
- Every font table is zlib-compressed individually, typically saving 40% compared with the desktop font.
- Check the font licence before converting: many commercial fonts do not allow web embedding or format conversion.
- Keep the file name simple (letters, numbers and hyphens) if you plan to upload the WOFF to a website or government portal.
Frequently asked questions
How do I convert OTF to WOFF?
Click "Choose files", select your OTF fonts, adjust the options if you want, and press "Convert to WOFF". The WOFF downloads immediately; with several files you can download everything as one ZIP.
Is this OTF to WOFF converter free and safe?
Yes. It is completely free, with no sign-up, no daily limit and no watermark. The conversion runs inside your browser, so your fonts never leave your phone or computer and nothing is stored on News Appite's servers.
Will the font look different after conversion?
No. Only the container changes: the glyph outlines, kerning, ligatures and hinting are copied exactly, so the text renders identically.
Can I convert several OTF files at once?
Yes. Add as many OTF files as you like; they are converted one after another and you can download them individually or together as a ZIP.
Does it work on iPhone, Android and Mac?
Yes. The converter works in any modern browser, including Chrome, Safari, Edge and Firefox, on Android, iPhone, iPad, Windows, macOS and Linux. No app is needed.
What is the difference between OTF and WOFF?
OTF (OpenType Font) is a advanced desktop font best suited to professional typography, design software and multilingual text. WOFF (Web Open Font Format) is a compressed web font best suited to self-hosting fonts on websites with @font-face.
Is there a file size limit?
There is no upload limit, because nothing is uploaded. The practical limit is your device's memory: files of a few hundred megabytes work on most computers, and phones handle smaller files comfortably.
Can I convert to WOFF2 as well?
This tool creates WOFF, which every modern browser supports. For WOFF2 you can use the fontTools library with Brotli (pip install fonttools brotli) and set flavor to "woff2".
How do I convert OTF to WOFF in Python?
Use fontTools: f = TTFont('input.otf'); f.flavor = 'woff'; f.save('output.woff'). If you just need the file, this converter does it in the browser without writing any code.
OTF ko WOFF kaise kare?
Is page par "Choose files" dabaiye, apni OTF file chuniye aur "Convert to WOFF" par click kijiye. WOFF file turant download ho jaati hai. Ye bilkul free hai, sign-up nahi chahiye, aur aapki file kisi server par upload nahi hoti.
OTF vs WOFF: format comparison
| OTF | WOFF | |
|---|---|---|
| Full name | OpenType Font | Web Open Font Format |
| Type | Advanced desktop font | Compressed web font |
| Created by | Microsoft and Adobe, 1996 | W3C Recommendation, 2012 |
| Compression | None | zlib-compressed font tables |
| File extension | .otf | .woff |
| MIME type | font/otf | font/woff |
| Best for | Professional typography, design software and multilingual text | Self-hosting fonts on websites with @font-face |
| Opens in | Windows, macOS, Adobe apps, Affinity, Figma and Word | every modern browser, WordPress themes, CSS frameworks |
What is a OTF file?
OpenType was created by Microsoft and Adobe as the successor to TrueType and PostScript fonts. OTF files support thousands of glyphs, ligatures and complex scripts such as Devanagari.
What is a WOFF file?
WOFF wraps a TrueType or OpenType font in a compressed container designed for websites. It became a W3C Recommendation in 2012 and is supported by every browser through @font-face.
Need it the other way round? Use the WOFF to OTF Converter.
Convert other formats to WOFF
Related searches
All tools on News Appite are free to use for personal and commercial work. Calculations and file conversions are performed in your browser; the redirect and cache checkers make a single request to the URL you enter and store nothing. Found a bug or want a new tool? Tell us.