The Prompt font family (by Cadson Demak, a Thai foundry) was explicitly designed as a free alternative to commercial Thai geometric sans-serifs like PSL Kittithada. It has a bold weight that rivals the impact of PSL Kittithada Pro Bold and is 100% free for personal and commercial use.
PSL Kittithada is a high-quality Thai and Latin sans-serif typeface developed by PSL Design (Perfect System Laboratory), a prominent digital type foundry based in Thailand. Unlike many generic fonts that treat Thai script as an afterthought, PSL Kittithada was engineered from the ground up to support both complex Thai tone marks and Latin ascenders/descenders harmoniously. Psl Kittithada Pro Bold Font Free Download
Bold Thai script grabs attention on crowded supermarket shelves. The Latin complement ensures bilingual packaging looks cohesive. The Prompt font family (by Cadson Demak, a
If you cannot afford the commercial license or just need a similar look for a non-profit project, these free fonts capture the same geometric sans-serif + Thai-inspired feel. PSL Kittithada is a high-quality Thai and Latin
| Font Name | Similarity | License | Best For | | :--- | :--- | :--- | :--- | | Sarabun | High (Thai looped sans) | SIL Open Font License | Government docs, web apps | | Kanit | Medium (Sleeker, more Futura-like) | SIL OFL | Modern branding, posters | | Prompt | Very High (It was inspired by PSL Kittithada) | SIL OFL | Headlines, digital ads | | Noto Sans Thai | Low (Too neutral, but highly legible) | SIL OFL | Accessibility, UI text | | Anuphan | Medium (Slightly rounded terminals) | SIL OFL | Children's books, friendly UI |