Browser-only redaction tool

Log Redactor

Remove sensitive data from log files before sharing with colleagues or support teams. Redacts IPs, emails, JWT tokens, API keys, and more — with custom regex support.

Local processingWeb WorkerCustom regex

Privacy first

Your log files never leave the browser. A Web Worker handles redaction in a background thread so the page stays responsive even for large files.

File & Settings

Upload a log file.

Drag & drop a .txt or .log file

or click to browse

Redaction patterns

IP Addresses (IPv4 & IPv6)[REDACTED_IP]Email Addresses[REDACTED_EMAIL]JWT Tokens[REDACTED_JWT]API Keys (AWS, Stripe, generic)[REDACTED_API_KEY]Generic Secrets (Base64 strings, UUIDs)[REDACTED_SECRET]

Custom regex patterns (one per line)

Preview

Before & after.

Original

Upload a file to preview.

Redacted

Click "Redact log" to process.

Related Tools

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