Text and structured data
Text tools use pattern matching, while JSON and CSV tools parse structure before masking selected values. These methods are fast but cannot understand every context-specific identifier.
Images and metadata
The screenshot tool draws onto a canvas. The metadata remover decodes visible pixels and exports a new image. The metadata viewer reads selected JPEG, PNG, and WebP structures without claiming forensic completeness.
Checksums and files
The SHA-256 tool uses the Web Crypto API to calculate a digest from local file bytes. Very large files can exceed browser memory and are better handled by operating-system tools.
Verification and limitations
Every result is a draft. Review the output manually, test important files, and follow approved security, legal, medical, and compliance processes for high-risk data.