Thai font · FREE

Thai Sans Lite

By Narongsak Chaiwong

Typography & Licensing Specialist, ThaiGraph · October 19, 2026

Information verified as of October 2026

อ่านหน้า ฟอนต์ Thai Sans Lite เป็นภาษาไทย — พร้อมลิงก์ดาวน์โหลดและวิธีติดตั้ง →

What Thai Sans Lite is

Thai Sans Lite is a single-weight (Regular) loopless Thai sans that the f0nt.com user Letsego released free on 7 December 2012 — the designer’s first font. The font files name the copyright holder and designer as Dhanbisishthabongs Kliauklom; Letsego is the name used on f0nt.com. The release page showed 542,217 downloads on 19 October 2026.

The designer is candid that the font is unfinished: kerning is incomplete, there is no matching bold or italic, and the TrueType hinting may still have issues that do not affect typing accuracy. That is why it is called “Lite”. In the same post he planned Black and Light weights, and possibly an italic.

That plan became a separate font, ThaiSans Neue, released in January 2013. The designer page on f0nt.com lists three Letsego fonts in all: Thai Sans Lite, ThaiSans Neue 1.0 and Block.

Thai Sans Lite vs ThaiSans Neue

ThaiSans Neue is Thai Sans Lite redrawn into a complete family by the same designer: Lite has one weight, Neue has nine, each with an italic. If you need a bold for headings, go straight to Neue. The ThaiSans Neue release page opens with “เคยสัญญาไว้ว่าจะทำตัว Lite ให้สมบูรณ์ พอดีมีเวลาว่าง เลยถือโอกาสทำใหม่ครับ” — “I promised to finish the Lite, had some free time, so I took the chance to redo it” — and describes the font as mostly an improvement on Lite.

The only reason to pick Lite over Neue is an existing document already set in “Thai Sans Lite”. The family names inside the two fonts differ, so opening an old file on a machine with only Neue installed will not substitute automatically.

Where to download Thai Sans Lite

Download Thai Sans Lite from its f0nt.com release page. The zip holds the same font in two formats, thaisanslite_r1.ttf and thaisanslite_r1.otf — install only one. No registration is needed; the page states that clicking download means accepting the licence.

1. Open the Thai Sans Lite page on f0nt.com and click the download button.
2. Unzip it to get the .ttf and .otf (the __MACOSX folder is Mac system debris and can be deleted).
3. Install the .ttf for Windows and Office, or the .otf if your software prefers OpenType CFF. Installing both duplicates the name in your font menu.

The files are version 1.001, dated 7 December 2012, the release date. The designer permits redistribution, but the release page is still the place to download: it is the file the designer uploaded, while copies on font aggregators cannot be checked for version or tampering.

Is Thai Sans Lite free for commercial use?

Yes for commercial work, with no modifying and no selling of the font files. The terms come in two layers: the designer’s note on the release page, and f0nt.com’s site-wide licence. The designer’s note is one line, “อนุญาตให้เผยแพร่ ไม่อนุญาตให้แก้ไขดัดแปลง” — redistribution permitted, modification not permitted. It says nothing about commercial use, so the site licence fills the gap.

f0nt.com’s licence answers the question of using its fonts to design for income, for clients or inside an organisation with yes, provided the font owner’s own terms do not say otherwise. It prohibits selling font files (except bundled with media or software so they display correctly) and modifying a font to sell, produce for hire or redistribute without the owner’s permission.

For transparency: this release is not filed in f0nt.com’s “free for commercial use” category, and not in its “personal use only” category either — the 2012 post sits only in the general release category. The commercial-use conclusion above therefore comes from the site licence, not from a label on this font. In short:

• Allowed — client design work, print, advertising, internal company use, and bundling the font with a document so it displays correctly
• Not allowed — selling the font files, or modifying them (adding glyphs, renaming) and distributing the result
• Not addressed — converting to WOFF2 or subsetting for the web, which may count as modifying the file. For a commercial website, ask the designer through the channel on the release page first

For a loopless face you can put on the web without asking anyone, use an SIL OFL family such as Kanit or Anuphan. The Thai font licensing guide explains how to tell the licence types apart.

Its selling point: tone marks that stay put

The feature the designer stresses most: tone marks do not float, upper and lower vowels shift to fit the consonant, and vowels and tone marks stay attached to their consonant under justified alignment or added tracking. The font achieves this with the OpenType ccmp and mark features, per the release page.

These features only work in software that supports complex scripts. The designer’s advice:

• Adobe applications (Illustrator, InDesign, Photoshop and so on) — use a Thai template or switch on the Adobe World-Ready Composer
• Microsoft Office, LibreOffice, OpenOffice.org — work as-is

If tone marks still float or sink in an Adobe application, check the composer setting first, as the designer recommends.

Why Thai Sans Lite looks small at the same point size

Thai Sans Lite’s Thai consonant height is 0.434 em, against 0.540 for Kanit and 0.548 for Noto Sans Thai. At the same 16pt its Thai looks about a fifth smaller, so set it roughly 1.25 times larger to match. ThaiGraph measured these from the font files: the top of น divided by the em size.

This matters most in Word. In a mixed Thai-English document, set the size in the Complex scripts section of the Font dialog larger than the Latin text section; a Microsoft Q&A answer explains that Complex scripts is the section that controls the Thai font. On the web, start body text at 20px instead of 16px.

Using Thai Sans Lite in Word, PowerPoint, Canva and Figma

Install the .ttf and it appears in Word and PowerPoint as “Thai Sans Lite”. If you embed it in a PowerPoint file and send it on, recipients without the font can only open the file read-only, because the font’s embedding permission is Preview & Print. The Windows install steps, per Microsoft: right-click the zip, choose Extract, then right-click the font file and choose Install.

• Word / PowerPoint — the file’s fsType is 4, which the OpenType specification defines as Preview & Print embedding: embeddable for viewing and printing, but documents must be opened read-only. If the recipient needs to edit, have them install the font from the release page, or send a PDF. Embed fonts in the file lives under File → Options → Save, per Microsoft.
• Canva — if a search of Canva’s font library does not find it, upload it to a Brand Kit, which is available on Pro, Teams, Business, Education and Nonprofits. Canva says fonts “should be licensed for embedding. Otherwise, they may not upload.” This file permits Preview & Print embedding; ThaiGraph has not test-uploaded it.
• Figma — Thai Sans Lite is not on Google Fonts (per the catalogue listing), so Figma does not supply it. Install it locally, use the Figma desktop app or the browser font installer, and find it under “Installed by you”, per Figma’s help page.
• Phones — standard iPhone and Android cannot install it as a system font; see installing Thai fonts on a phone.

What Thai Sans Lite is good for

Thai Sans Lite suits work set in one weight throughout — UI labels, slides with short text, internal documents that want a plain loopless look. It does not suit work that builds hierarchy with bold. f0nt.com tags it display, ui and standard, which matches that use.

Limits you will hit immediately:

• No real bold — pressing B in Word gives a faux bold the software draws by thickening strokes. For bold headings use ThaiSans Neue Bold instead
• Incomplete kerning — the designer says so on the release page; kern large headlines by hand
• Smaller than most fonts — see the size table above

For loopless Thai with more weights and a more open licence, see all the options in loopless Thai fonts or free Thai fonts for commercial use.

Pairings

Thai Sans Lite is a single-weight loopless face, so it pairs best with a looped face for long text, keeping Lite for subheads and labels. Two pairings that work:

• Sarabun — looped Thai body text that reads comfortably in long paragraphs; the contrast with Lite is clear enough not to look like a one-font mistake
• Noto Serif Thai — a Thai serif for editorial work, with Lite on captions and supporting data

Browse every licence-checked Thai font in the Thai font library.

Information verified as of October 2026