The short version
- Unicode stores Nepali characters as text with standard code points.
- Preeti is a legacy font-encoding workflow whose underlying characters do not represent the visible Nepali letters.
- Unicode is generally better for websites, email, search, accessibility and data exchange.
- Keep a legacy copy only when a specific office workflow genuinely requires it.
What Unicode changes
Unicode gives Devanagari characters standard code points. The text remains meaningful when copied between compatible applications, searched, indexed, read by assistive technology or transmitted without the original font file.
A font controls appearance, while Unicode controls character identity. Changing from Noto Sans Devanagari to another compatible font should not turn the word into unrelated Latin characters.
Why Preeti behaves differently
Preeti-era documents often store Latin keyboard characters and rely on a particular font to display Nepali-looking glyphs. If the font is missing, the same data can appear as meaningless Latin text. Copying into a website or email can therefore fail.
This does not make every legacy document invalid. Many institutions still possess historical Preeti files. The risk is interoperability: search, accessibility, automated processing and long-term preservation are weaker.
Use Unicode for new work
For websites, online forms, email, searchable PDFs, databases and modern word-processing, Unicode is the safer default. It supports mixed Nepali and English content and makes text discoverable by search engines.
Romanised Nepali typing is one input method for producing Unicode. It changes script based on sound; it is not translation. Typing “mero” to obtain “मेरो” preserves the Nepali word, while an English word can be rendered phonetically without changing its meaning.
Conversion needs proofreading
Legacy-font conversion and phonetic typing are not infallible. Names, conjuncts, loanwords and office terminology require proofreading. Preserve PANs, URLs, emails, dates and acronyms rather than transliterating them automatically.
For important documents, compare the Unicode output with the source and keep an untouched original. Do not rely on visual similarity alone.
Where to check the details
For an important payroll, filing or financial decision, open the source itself and check whether anything has changed since this guide was updated.
- The Unicode Standard
Technical standard governing character encoding.
- Nepal Toolkit third-party notices
Licensing and model attribution for the typing workspace.