Online Email Extractor
邮箱提取邮件列表去重文本提取
Auto-detect all email addresses in text with smart dedup and lowercase normalization, one-click copy or TXT download — perfect for mailing list cleanup and data migration, fully local.
All processing is done locally in your browser. No data is uploaded.
How to Use
- Paste any valid JSON, supports nesting, arrays and escapes
- Click Beautify to auto indent and format
- Click Minify to remove whitespace into one line
- All operations run locally for privacy
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FAQ
Are complex addresses with plus and dots supported?
Yes, common formats like user.name+tag@sub.domain.com are correctly recognized.
Is casing normalized?
Yes, results are lowercased and deduped so the same address never appears twice due to case differences.
Will my data be uploaded?
No, all extraction runs locally in your browser.