A reliable resource for finding commercially-free fonts . How to buy fonts for commercial use. - Monotype Fonts

Developed by Google, Roboto features a dual nature with a geometric skeleton and open curves.

: Another exceptional geometric, loopless Thai font from Google Fonts, ideal for contemporary UI/UX design.

If you utilize system font stacks or Adobe Creative Cloud subscriptions, you already have access to industry-standard clean sans-serifs.

Despite its thin strokes, it maintains excellent legibility at various sizes.

If your project is , download Kittithada Light 45 from DaFont or FontSpace—but always scan the file with VirusTotal first.

The gold standard for neutral, balanced sans-serifs.

: For the broader PSL-Kittithada family, a popular Thai font forum has explicitly stated, "This font is named PSL Kittithada. It is one of the PSL font families. They do not give it away for free".

"The font looks pixelated or jagged after download." Solution: You likely downloaded a low-quality version. Delete it and re-download from DaFont or FontSquirrel. Ensure your anti-aliasing in Photoshop or Word is set to "Smooth" or "Sharp."