U+0129 "ĩ" Latin Small Letter I with Tilde Unicode Character
Unicode Version 17.0
ĩ
U+0129 "ĩ" Latin Small Letter I with Tilde is a precomposed character representing the letter "i" with a tilde diacritic, used primarily in the orthographies of several languages, including Vietnamese, where it denotes a specific vowel sound with a creaky rising tone, and in the transliteration of Sanskrit and other Indic scripts to represent a nasalized vowel. It is also found in certain African languages such as Igbo and in the Sami languages, where it indicates a distinct phoneme, and is encoded in the Latin Extended-A block of Unicode to facilitate digital text representation, ensuring correct display and processing across modern computing systems.
General Properties
| Code Point | U+0129 |
| Version Added | 1.1 |
| Name | Latin Small Letter I with Tilde |
| Unicode 1.0 Name | Latin Small Letter I Tilde |
| Block | Latin Extended-A |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "i" U+0069 Latin Small Letter I "̃" U+0303 Combining Tilde |
Encodings
| HTML Decimal Encoding | ĩ |
| HTML Hex Encoding | ĩ |
| UTF-8 Encoding | 0xC4 0xA9 |
| UTF-16 Encoding | 0x0129 |
| UTF-32 Encoding | 0x00000129 |
| C/C++/Java Escape | \u0129 |
Unicode Properties
| NFC Quick Check | Yes |
| NFKC Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Lowercase | Yes |
| Simple Uppercase Code Point | "Ĩ" U+0128 Latin Capital Letter I with Tilde |
| Simple Titlecase Code Point | "Ĩ" U+0128 Latin Capital Letter I with Tilde |
| Uppercase Code Point | "Ĩ" U+0128 Latin Capital Letter I with Tilde |
| Titlecase Code Point | "Ĩ" U+0128 Latin Capital Letter I with Tilde |
| Cased | Yes |
| Changes When Casemapped | Yes |
| Changes When Titlecased | Yes |
| Changes When Uppercased | Yes |
| Script | Latin |
| Script Extensions | Latin |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Lower |