No uploads · runs in browser
Full-width Converter
Convert full-width letters and digits to half-width, or the reverse for alignment.
Favorite it to find it fast on home
When to use it
Turn ABC 123 into ABC 123
Normalize full-width text from a Japanese input method
Convert back to full-width to line up columns
How to use it
1Step 1Paste your text into Original to start
2Step 2Press To half-width → and the result appears below
3Step 3Use the copy button to take the result anywhere
If the result looks off
The result looks cut off
Use the copy button to get the full result.
My input disappeared
It is saved on this device. Clearing browser storage removes it too.
Frequently asked questions
Do non-Latin scripts convert?
Only characters that have a full-width form. CJK text passes through unchanged.
Do non-Latin scripts convert?
Only characters that have a full-width form. Other scripts pass through unchanged.