# Mask

Browse 9 online mask tools for processing, converting, validating, and managing mask files and data in your browser.

> Canonical page: https://elysiatools.com/en/tags/mask

## Overview

Use Mask tools to process, convert, validate, and manage mask files and data through a browser-based interface, with no software installation required.

## Frequently asked questions

### What can I do with Mask tools?

You can process, convert, validate, and manage mask files and data using the tools in this category.

### Do I need to install software?

No. You can use Mask tools through the browser interface without installing software.

### How is my data handled?

Your request is submitted from the browser and processed on Elysia Tools servers. Text inputs are not stored, and uploaded files are automatically deleted after 6 hours.

## Tools

- [File Type Detector (Magic Number)](https://elysiatools.com/en/tools/file-type-detect): Identify a file by its magic-number byte signature, not the extension. Reads the uploaded file directly across ~70 types.
- [Image Masking Effect](https://elysiatools.com/en/tools/image-add-masking): Apply masking effects to images using shapes, gradients, or custom masks for creative compositions
- [Image Boolean AND](https://elysiatools.com/en/tools/image-boolean-and): Apply bitwise AND operation between two images to create intersection mask
- [Image Boolean OR](https://elysiatools.com/en/tools/image-boolean-or): Apply bitwise OR operation between two images to create union mask
- [Image Boolean XOR](https://elysiatools.com/en/tools/image-boolean-xor): Apply bitwise XOR operation between two images to create difference mask
- [Image Channel Extractor](https://elysiatools.com/en/tools/image-channel): Extract, manipulate, and analyze individual color channels (RGB, Alpha, Luminance) with professional processing options
- [Image Difference](https://elysiatools.com/en/tools/image-difference): Calculate the difference between two images to identify changes or create comparison masks
- [PDF Redaction Helper](https://elysiatools.com/en/tools/pdf-redaction-helper): Cover sensitive areas with black boxes during PDF rendering output
- [Sensitive Data Masker](https://elysiatools.com/en/tools/sensitive-data-masker): Automatically detect and mask sensitive information like phone numbers, emails, ID cards, and bank cards in text

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