JSON Tools

Hide JSON Strings

Mask sensitive string values in JSON data before sharing logs, API responses, or configuration files. Intelligently hide values based on key names (password, token, apiKey, etc.), show partial values for identification, preserve original lengths, and choose from various masking characters. Perfect for privacy compliance and security reviews.

Updated 2025-06-12

Hide JSON Strings

Mask sensitive string values in JSON for safe sharing and logging. Perfect for hiding API keys, passwords, and personal data.

JSON Input

Masked Output

Masking Options

Keys to Hide (comma separated)

Mask Character

Show Characters At

Visible Characters

Min Length to Mask

Indent Size

Preserve original lengthShow partial valueHide ALL strings (ignore key filter)Also hide numbers

About Hide JSON Strings

Mask sensitive string values in JSON data before sharing logs, API responses, or configuration files. Great for privacy compliance and security reviews.

Features:

Smart Key Matching: Hide values based on key names (password, token, etc.)
Partial Reveal: Show first/last few characters for identification
Length Preservation: Keep masked values the same length as originals
Flexible Masking: Choose from various mask characters

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