How to Make Email Addresses and Phone Numbers Half-Width

Published: Oct 19, 2026 | Updated: Oct 19, 2026 | About (Japanese)

Steps

1. Paste the address or number typed in full-width into "Before" of Convert Full-Width, Half-Width, Hiragana and Katakana.
2. Choose "Full-width → half-width".
3. Copy the result and paste it into the form.

Use "Convert Full-Width, Half-Width, Hiragana and Katakana" (free)

Tools that go well with this

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More guides for this tool

• How to Convert Full-Width to Half-Width (Free, Phone OK)
• How to Convert Half-Width to Full-Width
• How to Convert Hiragana to Katakana
• How to Turn Half-Width Katakana into Full-Width
• Tips for Matching Width When Filling Forms
• What to Do If Nothing Is Converted

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