TTF Won't Open? Convert to WOFF Instantly
Fast, instant TTF to WOFF conversion. No signup required. Just drop your .ttf file and get .woff in seconds.
Batch Settings
Some metadata may not survive
Your TTF file may contain name table, OS/2 table metadata. WOFF has limited or no support for these metadata types. Location data (GPS), camera settings, and color profiles may be stripped during conversion.
Dans l'univers numérique actuel, la typographie joue un rôle essentiel, façonnant l'identité visuelle et garantissant la lisibilité. Si le format TTF (TrueType Font) a longtemps été un standard robuste pour les systèmes d'exploitation, le WOFF (Web Open Font Format) s'est imposé comme la référence incontournable pour l'intégration de polices sur le web. Conçu spécifiquement pour optimiser le chargement et la performance des sites internet, le WOFF offre une compression supérieure et une meilleure compatibilité avec les navigateurs modernes, sans compromettre la qualité esthétique de vos caractères. Convertir vos fichiers TTF en WOFF n'est donc pas seulement une question de compatibilité technique ; c'est une démarche stratégique pour améliorer l'expérience utilisateur de vos plateformes en ligne, assurer un rendu typographique impeccable et répondre aux exigences d'un web toujours plus rapide et accessible. Simplifiez votre flux de travail et propulsez vos projets web avec des polices optimisées.
- Documents administratifs dématérialisés (France)
- Publications académiques en ligne (Belgique, Suisse)
- Intégration de maquettes web pour agences de design (Québec)
En France, la conformité aux normes RGAA pour l'accessibilité numérique des sites publics rend l'optimisation des polices via WOFF particulièrement pertinente. La prise en charge de l'accentuation correcte des caractères français est cruciale pour tous les usages professionnels.
About TTF to WOFF Conversion
Dealing with a TTF file that won't open on your device? You're not alone — TTF compatibility issues are one of the most common reasons people search for a file converter. TTF (TrueType Font) is the classic font format supported everywhere.
The fix is simple: convert your TTF to WOFF. WOFF (Web Open Font Format) wraps TTF/OTF in compression for fast web delivery. This conversion lets you upgrade to a modern format, solving the problem in seconds rather than hours of troubleshooting.
Full Name: TTF uses TrueType Font, while WOFF uses Web Open Font Format. Compression: TTF uses None (uncompressed), while WOFF uses Lossless. Typical File Size: TTF uses 50–500 KB, while WOFF uses 30–300 KB. Converting TTF to WOFF maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your TTF file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you You need a file that works in web browsers.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert TTF to WOFF
- 1
Add your TTF file
Drag and drop your .ttf file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick WOFF output
Select .woff as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The font engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .woff file. For batch jobs, download all at once as a zip.
What Happens When You Convert TTF to WOFF
Your TTF file is decoded and re-encoded as WOFF.
Your TTF file is uploaded and the format is validated
The file content is decoded into its raw representation
The data is re-encoded in WOFF format with optimal settings
The converted file is ready for download
TTF vs WOFF — Detailed Comparison
| Feature | .TTF | .WOFF |
|---|---|---|
| Full Name | TrueType Font | Web Open Font Format |
| Compression | None (uncompressed) | Lossless |
| Typical File Size | 50–500 KB | 30–300 KB |
| Platform Support | Universal | Limited |
| Browser Support | Universal | Universal |
| Year Created | 1991 | 2010 |
| Open Standard | Yes | Yes |
Should You Convert TTF to WOFF?
When to Convert
- ✓You need a file that works in web browsers
Frequently Asked Questions
Why won't my TTF file open?
TTF files may not open if your device lacks the right codec or application. Converting to WOFF — a more widely supported format — usually resolves this. WOFF (Web Open Font Format) wraps TTF/OTF in compression for fast web delivery.
Is it safe to convert TTF to WOFF online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting TTF to WOFF?
Converting TTF to WOFF maintains high quality with CocoConvert's optimised encoder settings. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my TTF file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert TTF to WOFF on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.