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String Obfuscator

Hide sensitive parts of strings by replacing characters with asterisks. Show first/last N characters for partial reveal — great for masking emails, IDs, and passwords.

Partial Reveal
joh***************om
Click to copy
Full Obfuscation
********************
Click to copy
Email-Safe Masking
j******[email protected]
Click to copy

Frequently Asked Questions

Is this secure?
No — obfuscation is not encryption. It just visually hides characters. For real security, use proper encryption.
When should I obfuscate strings?
When sharing screenshots, logs, or demo data where you want to hide sensitive info while keeping partial context visible.
How does partial reveal work?
You choose how many characters to show from the start and end. The middle is replaced with asterisks.

Related Tools

🔐Base64 Encode & Decode🔑Strong Password Generator✉️Email Normalizer

How to Use

  1. 1 Enter the string you want to partially hide (e.g., email, ID, phone number).
  2. 2 Set how many characters to reveal at the start and end.
  3. 3 The middle characters are replaced with asterisks.
  4. 4 Note: obfuscation is visual masking, not encryption.