Source-reviewed profile · live tests pending
TikTok Text Compatibility
Check officially documented username characters and nickname length while labeling unverified fields as Unknown.
- Official sources reviewed
- 2
- Manual tests complete
- 0/3
- Review due
- 2026-10-23
- Index state
- noindex
The @tag and profile-link identifier.
- Graphemes
- 14
- Code points
- 14
- UTF-16 units
- 14
- UTF-8 bytes
- 14
Caution
One or more rules or Unicode behaviors need review before pasting.
Evidence confidence · reviewedOfficial support allows letters, numbers, underscores, and periods, but a period cannot be last. The accepted source does not define a length limit.
tt-username-2026-08The accepted official source does not define the username length limit.
Evidence feedback entry
Record what the real app did
This creates a structured report for editorial review. It does not send your text or report to GlyphSift.
Evidence ledger
Every visible rule points to a record
tt-username-2026-08Changing your username
Documents permitted username character families, the trailing-period restriction, and a once-per-30-days change interval.
- Reviewed
- 2026-08-24
- Review due
- 2026-10-23
- Source type
- official-support
tt-nickname-2026-08Changing your nickname
Documents a 30-character nickname ceiling and a once-per-seven-days change interval; the counter unit remains unspecified.
- Reviewed
- 2026-08-24
- Review due
- 2026-10-23
- Source type
- official-support
tt-profile-gap-2026-08TikTok bio and caption evidence gap
No accepted current primary source defining field limits and Unicode counting behavior is registered for these fields.
- Reviewed
- 2026-08-24
- Review due
- 2026-10-23
- Source type
- review-gap
Manual test matrix
What must be reproduced before a stronger claim
| Status | Field | Environment | Vector | Required observation |
|---|---|---|---|---|
pendingtt-mobile-user-01 | Username | TikTok · latest iOS and Android releases | letters/numbers/underscore/period + trailing period + Unicode style | Record exact validation, normalization, and saved profile URL. |
pendingtt-mobile-name-01 | Nickname | TikTok · latest iOS and Android releases | 29–31 graphemes with emoji and combining marks | Determine the real count model and rendering behavior. |
pendingtt-web-bio-01 | Bio | TikTok · current web app | Multiline NFC/NFD text with one zero-width space | Record field limit, line-break behavior, normalization, and hidden-character retention. |