CX ConvertX
Fonts

OTF → TTF

Easily convert your OpenType fonts (OTF) to TrueType (TTF) format. This tool is essential for developers and designers who need font compatibility across older operating systems and legacy software.

OTF fonts use PostScript outlines, which are often preferred for complex typography and high-end print design. TTF fonts rely on quadratic Bézier curves and are universally supported by all Windows and macOS versions. Converting OTF to TTF involves mapping these curve types, ensuring that the glyph shapes remain visually identical while adapting to the more rigid structure of the TrueType format.

The visual appearance of the typeface is preserved during conversion. However, advanced OpenType features like stylistic alternates or ligatures may not function in the resulting TTF file.

Tips

Common use cases

Why ConvertX stays free — forever

We built this project so anyone can convert files without paywalls, accounts, or hidden limits. Here is what that promise means in practice.

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Free tools today — and always

Every converter on ConvertX is free to use: no trials, no premium tiers, and no credit packs. We will never put core conversion features behind a subscription. Whether you convert one photo or a hundred files a week, the price stays zero.

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Privacy-first processing

Many image, audio, and video conversions run entirely in your browser. Your files never leave your device for those jobs. When server processing is required for documents or specialized formats, uploads are handled securely and removed automatically — typically within one hour.

File formats: what to choose

A quick guide to strengths and trade-offs of popular formats — so you pick the right one before converting.

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Fonts

Typefaces for websites, design, and documents.

Common extensions: TTF, OTF, WOFF, WOFF2

Advantages
  • + WOFF2 is ideal for fast web loading
  • + OTF supports advanced typography features
  • + TTF works across desktop apps
Disadvantages
  • License restrictions may limit conversion or embedding
  • Hinting can differ between formats
  • Variable font axes may be lost in conversion
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Images

Raster and vector graphics for web, print, and photography.

Common extensions: PNG, JPG, WebP, AVIF, GIF, SVG, HEIC, TIFF

Advantages
  • + WebP and AVIF offer excellent compression for the web
  • + PNG keeps transparency and sharp edges
  • + SVG scales without quality loss
Disadvantages
  • RAW and TIFF files are large and slow to share
  • JPEG loses quality on every re-save
  • Some formats are not supported in older browsers
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Documents

Office files, PDFs, ebooks, and plain text.

Common extensions: PDF, DOCX, XLSX, PPTX, ODT, EPUB, TXT

Advantages
  • + PDF locks layout for printing and sharing
  • + DOCX and ODT are easy to edit collaboratively
  • + Plain text works on any device
Disadvantages
  • PDF is hard to edit without special tools
  • Complex layouts may shift after conversion
  • Scanned PDFs need OCR for editable text
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Video

Clips, streams, screen recordings, and movies.

Common extensions: MP4, WebM, MOV, MKV, AVI, MPEG

Advantages
  • + MP4 (H.264/H.265) plays almost everywhere
  • + WebM is efficient for web embedding
  • + MKV can hold multiple audio and subtitle tracks
Disadvantages
  • High-resolution video needs lots of storage and bandwidth
  • Re-encoding always takes time and may reduce quality
  • Some codecs require licensing for commercial use

Frequently asked questions

No, the outlines are mathematically converted, so the visual shape of your characters remains unchanged.
No, TTF does not support advanced OpenType layout features like custom ligatures or extensive swashes.

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