Auto redact text online with AI
Paste text or upload a file to mask personal info, passwords, API keys, and other secrets in seconds. Works with CSV, JSON, XML, YAML, .env, Markdown and log files.
Great for logs and support tickets
Strip customer details before sharing logs, transcripts or datasets.
Mask or label
Keep the shape of the text with █ blocks, or replace values with labels like [EMAIL].
Your own terms
Add names or project codes that should always be removed.
Frequently asked questions
Can I keep the layout of a CSV or log?
Yes. Black out keeps every line and column in place, using █ for each removed character.
Will a redacted JSON or XML file still parse?
Yes. Quotes, brackets and tags are left alone, and a redacted number becomes a string.