# Fonts Like Slabo 13px

12 open fonts whose letters are closest to Slabo 13px, ranked by a glyph comparison. All free for commercial use.

## Quick Answer

The closest open font to Slabo 13px is PT Serif Caption (similarity 43), then Slabo 27px and Crete Round. PT Serif Caption is released under the SIL Open Font License 1.1 and is free for commercial use.

## Ranked Open Lookalikes (12 Fonts)

> Note: Scores under 50 indicate no open font is very close; these share some traits.

| Rank | Font | Similarity Score | Licence | Details |
| :--- | :--- | :--- | :--- | :--- |
| #1 | **PT Serif Caption** | 43 / 100 | OFL-1.1 | [/fonts/pt-serif-caption/](/fonts/pt-serif-caption.md) |
| #2 | **Slabo 27px** | 42 / 100 | OFL-1.1 | [/fonts/slabo-27px/](/fonts/slabo-27px.md) |
| #3 | **Crete Round** | 40 / 100 | OFL-1.1 | [/fonts/crete-round/](/fonts/crete-round.md) |
| #4 | **Ramabhadra** | 39 / 100 | OFL-1.1 | [/fonts/ramabhadra/](/fonts/ramabhadra.md) |
| #5 | **Bree Serif** | 39 / 100 | OFL-1.1 | [/fonts/bree-serif/](/fonts/bree-serif.md) |
| #6 | **Roboto Serif** | 38 / 100 | OFL-1.1 | [/fonts/roboto-serif/](/fonts/roboto-serif.md) |
| #7 | **Montagu Slab** | 37 / 100 | OFL-1.1 | [/fonts/montagu-slab/](/fonts/montagu-slab.md) |
| #8 | **Orelega One** | 37 / 100 | OFL-1.1 | [/fonts/orelega-one/](/fonts/orelega-one.md) |
| #9 | **DejaVu Math** | 37 / 100 | OFL-1.1 | [/fonts/dejavu-math/](/fonts/dejavu-math.md) |
| #10 | **Rokkitt** | 36 / 100 | OFL-1.1 | [/fonts/rokkitt/](/fonts/rokkitt.md) |
| #11 | **Roboto Slab** | 36 / 100 | Apache-2.0 | [/fonts/roboto-slab/](/fonts/roboto-slab.md) |
| #12 | **Headland One** | 35 / 100 | OFL-1.1 | [/fonts/headland-one/](/fonts/headland-one.md) |

## Other Scripts With Similar Latin Letters

- **Secular One** (Hebr): Similarity 38, licence OFL-1.1 - [/fonts/secular-one/](/fonts/secular-one.md)
- **Suwannaphum** (Khmr): Similarity 37, licence OFL-1.1 - [/fonts/suwannaphum/](/fonts/suwannaphum.md)
- **Konkhmer Sleokchher** (Khmr): Similarity 37, licence OFL-1.1 - [/fonts/konkhmer-sleokchher/](/fonts/konkhmer-sleokchher.md)

## Scoring Method

62 letters and digits (A-Z a-z 0-9) rendered at 160px cap height on a 32x32 grid with 3px gaussian blur, combined with edge-orientation texture (15% weight). Scores are normalized so that 0 represents an average pair of fonts across the 1571 compared fonts, and 100 represents identical letter shapes. Computed on 2026-10-22 using glyph-shape + edge-texture v2.

## Machine API

JSON representation available at [/api/fonts-like/slabo-13px.json](/api/fonts-like/slabo-13px.json).