US ↔ UK Spelling Converter
Convert spelling between American and British English — color/colour, organize/organise and 60+ more.
0Words converted
Converted text appears here…
How to use
Paste your text, pick a direction, and get spelling converted between US and UK English.
Frequently asked questions
How many words does it convert?
60+ common pairs: -or/-our, -ize/-ise, -er/-re and one-off words like check/cheque.
Does it handle capitalization?
Yes — sentence-case words keep their capitalization after conversion.
☕
ToolZap is free forever
Every tool runs 100% in your browser — no uploads, no signups. If a tool saved you time, consider supporting us with a small donation.
💛 Donate via PayPal