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Crosspoint/docs/sd-card-fonts.md
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# SD Card Fonts
CrossPoint supports loading additional fonts from the SD card, including fonts
with extended Unicode coverage (CJK, Cyrillic, Greek, etc.).
## Installing Fonts
There are three ways to install fonts:
### Option 1: Download from device (recommended)
1. Connect your CrossPoint reader to WiFi
2. Go to **Settings > System > Manage Fonts**
3. Browse available font families and tap to download
4. Downloaded fonts appear immediately in **Settings > Reader > Font Family**
### Option 2: Upload via web browser
1. Connect your CrossPoint reader to WiFi
2. Open the web interface in your browser (shown on the WiFi screen)
3. Navigate to the **Fonts** tab
4. Upload `.cpfont` files using the upload form
### Option 3: Manual SD card copy
1. Download font files from the
[crosspoint-fonts repository](https://github.com/crosspoint-reader/crosspoint-fonts)
2. Copy font family folders to one of two locations on your SD card:
- `/.fonts/` — hidden directory (preferred; keeps the SD root tidy
when mounted on a desktop)
- `/fonts/` — visible directory (use this if your OS hides dot-files
and you'd rather see the folder in your file manager)
Both roots are always scanned at boot and the results are merged: a
family installed in `/fonts/` shows up even when `/.fonts/` also
exists, and vice versa. The two roots only collide if the same family
name appears in both — in that case the copy in `/.fonts/` wins and
the duplicate in `/fonts/` is ignored.
SD Card Root/
├── .fonts/ ← Hidden root (preferred)
│ └── Literata/
│ ├── Literata_12.cpfont
│ ├── Literata_14.cpfont
│ ├── Literata_16.cpfont
│ └── Literata_18.cpfont
└── fonts/ ← Visible root (equally valid)
└── Merriweather/
├── Merriweather_12.cpfont
└── ...
3. Insert the SD card and power on your CrossPoint reader
## Available Pre-Built Fonts
The current list of pre-built fonts is maintained in the
[crosspoint-fonts repository](https://github.com/crosspoint-reader/crosspoint-fonts).
## Converting Custom Fonts
To convert your own TrueType/OpenType fonts:
### Prerequisites
pip install freetype-py fonttools
### Single font (one style)
python3 lib/EpdFont/scripts/fontconvert_sdcard.py \
MyFont-Regular.ttf \
--intervals latin-ext \
--sizes 12,14,16,18 \
--style regular \
--name MyFont \
--output-dir ./MyFont/
### Multi-style font
python3 lib/EpdFont/scripts/fontconvert_sdcard.py \
--regular MyFont-Regular.ttf \
--bold MyFont-Bold.ttf \
--italic MyFont-Italic.ttf \
--bolditalic MyFont-BoldItalic.ttf \
--intervals latin-ext \
--sizes 12,14,16,18 \
--name MyFont \
--output-dir ./MyFont/
### Available Unicode interval presets
| Preset | Coverage |
|--------|----------|
| `ascii` | U+0020-U+007E (Basic Latin) |
| `latin-ext` | European languages (Latin + Extended-A/B) |
| `greek` | Greek + Extended Greek |
| `cyrillic` | Cyrillic + Supplement |
| `cjk` | CJK Unified Ideographs + Hiragana + Katakana + Fullwidth |
| `hangul` | Korean Hangul syllables |
| `reading` | Literary fiction coverage: Latin, Greek, Cyrillic, math/symbol blocks, supplemental punctuation, and CJK quote marks |
| `builtin` | Matches built-in Bookerly coverage exactly |
Combine presets with commas: `--intervals latin-ext,greek,cyrillic`
Install custom fonts via WiFi upload or manual SD card copy.