Paste plain text
Input stays inside the current isolated browser document.
Private Unicode text tool
Change text case without uploading it
CaseShift applies six documented transformations to bounded plain text in an isolated no-network capsule. It keeps punctuation and spacing visible and tells you exactly where mechanical rules stop.
No account · no upload · no saved text · no result URL
Three explicit steps
Paste, choose, review
Choose one rule
Every profile has a visible deterministic contract.
Review then copy
Compare names, acronyms and identifiers before use.
Clear boundaries
Useful for ordinary editable text
- Fix pasted drafts and headings before a human editorial review.
- Create repeatable mixed-case developer fixtures without interpreting syntax.
- Transform private notes locally when text should not be sent to a converter service.
Private by construction
Transform the text in this browser
Choose a profile, inspect its rule, and copy only after review.