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Numio

Remove Vietnamese Accents Online — Numio

Strip tone marks and convert đ to d to get plain Vietnamese text, or a URL slug. Keep the case, switch to lowercase, or generate a slug.

Convert in your browser · No sign-up

Removes Vietnamese tone marks and converts đ to d, for plain text or URL slugs.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Result

Add your input or load an example, then run the tool. Your result will appear here.

How to use

  1. Paste the Vietnamese text.
  2. Choose Keep case, Lowercase, or Slug for hyphen-separated words.
  3. Copy the output.

Example

Đường Lê Lợi, Hà Nội → Duong Le Loi, Ha Noi (Slug: duong-le-loi-ha-noi)

Details and limitations

Different words can become the same text. ma, má, mà and mả all become ma.

Removing accents does not change the meaning for a reader, so do not use it for formal documents.

FAQ

Does it convert đ and Đ?

Yes. They become d and D.

Is my text uploaded?

No. The conversion runs in your browser.

Format references

Tool page updated: