Delete Dấu Vietnamese
Chuyển văn bản tiếng Việt có dấu thành không dấu
Remove Vietnamese Accents
The remove Vietnamese accents tool instantly strips all diacritical marks from Vietnamese text, converting it to clean ASCII characters. Whether you need URL-friendly slugs, safe file names, or plain-text usernames, this tool handles the conversion in one click. It correctly processes all Vietnamese tone marks and modifier letters, including the unique đ character.
Benefits
Manually removing Vietnamese diacritics is error-prone and slow, especially with long strings or bulk data. This tool delivers accurate, consistent results instantly without any software installation.
- Instant conversion with no length limit on input text
- Output is pure ASCII, compatible with every database, file system, and URL standard
- Runs entirely in the browser — no data is sent to any server
- Preserves spaces, digits, punctuation, and non-accented Latin characters as-is
Use cases
This tool is especially valuable for developers, content managers, and data analysts working with Vietnamese-language content.
- Generate SEO-friendly URL slugs from Vietnamese article titles or product names
- Sanitize file names before uploading to Google Drive, Dropbox, or an FTP server
- Create clean usernames or identifiers for registration systems that reject Unicode
- Normalize Vietnamese input data before storing it in a database or exporting to CSV
- Derive CSS class names, JavaScript variable names, or JSON keys from Vietnamese labels
How to use
The process is straightforward and requires no technical knowledge.
- Step 1: Paste or type your Vietnamese text into the input field
- Step 2: Click the convert button, or see the result update automatically in real time
- Step 3: Copy the ASCII output and use it wherever plain text is required
Frequently asked questions
Does the tool handle the Vietnamese letter đ? Yes, both lowercase đ and uppercase Đ are converted to d and D respectively, along with all tone marks.
Is letter casing preserved in the output? Yes, each character retains its original case — uppercase accented letters become uppercase ASCII letters, and lowercase become lowercase.
Is my input text stored or logged anywhere? No, all processing happens locally in your browser and no text is transmitted to or stored on any server.
Can I convert multiple lines or a whole paragraph at once? Yes, you can paste any amount of multi-line text and every line will be processed simultaneously in a single pass.