CSS Mask · Free Local Tool

CSS Mask Generator

Generate a linear or radial CSS Mask, control direction, center, fade start and end points.

No uploadsMobile-friendlyTheme support

What is the CSS Mask gradient generator?

Generate a linear or radial CSS Mask, control direction, center, fade start and end points. ToolHub places the core computing entirely within the browser, allowing immediate use on both desktop and mobile devices, without the need to register an account or send content to the backend.

How to use this tool?

  1. Enter the data according to the field prompts and select the required processing method.
  2. Click "Process Now" to view the results, indicator summary and necessary error messages.
  3. After confirming that the content meets actual needs, you can copy the results or download them into files for further use.

Suitable use cases

Image fade, scroll edge, text mask and decorative effects. All processing is completed in the current page, which is especially suitable for workflows that do not want to post internal data to remote services.

Interpretation of results and precautions

Some older browsers still require the -webkit-mask compatibility prefix. Tools will validate basic input formats and provide readable error messages, but production environments should still be reconfirmed against source specifications, business rules, or professional requirements.

Browser and device support

CSS Mask Generator supports current Chrome, Edge, Firefox, and Safari releases. Mobile and desktop layouts use the same validation rules documented on this page.

Frequently Asked Questions

Will the CSS Mask gradient generator upload data to the server?
No. Tool functions are executed directly within the current browser tab, and input and generated results will not be uploaded or saved by ToolHub.
What use cases is the CSS Mask gradient generator suitable for?
Image fade out, scroll edge, text mask and decorative effects
Do I need to install software before using the CSS Mask gradient generator?
No need. Use a desktop or mobile browser that supports modern JavaScript, and no account is required.
What are the limitations of this tool?
Some older browsers still require the -webkit-mask compatibility prefix.
Is manual inspection required after the results are generated?
Needed. Tools can assist with calculations, conversions, or formatting, but before going online, importing data, or making business decisions, the results should still be reviewed according to actual specifications.

CSS Mask Generator: inputs, output, and reproducible example

Use the free CSS Mask Generator online. Fast, private, mobile-friendly, and processed directly in your browser.

What this page actually processes

FieldControlDefault exampleValidation role
Gradient typeSelectionLinearGradient type is read by the browser as a selection value before the tool runs.
Direction/CentreTextto bottomDirection/Centre is read by the browser as a text value before the tool runs.
Full display of endpoints %Number55Full display of endpoints % is read by the browser as a number value before the tool runs.
Full transparency starting point %Number100Full transparency starting point % is read by the browser as a number value before the tool runs.
Add WebKit prefixToggleEnabledAdd WebKit prefix is read by the browser as a toggle value before the tool runs.

Reproduce the built-in example

Start with Gradient type = Linear; Direction/Centre = to bottom; Full display of endpoints % = 55; Full transparency starting point % = 100; Add WebKit prefix = Enabled, then run CSS Mask Generator. Change one input at a time so the effect on the result remains traceable.

After validating gradient type, direction/centre, full display of endpoints %, full transparency starting point %, add webkit prefix, the page displays its result in the output workspace and enables the relevant copy or download action.

When to use it and how to interpret the result

Image fade, scroll edge, text mask and decorative effects. All processing is completed in the current page, which is especially suitable for workflows that do not want to post internal data to remote services.

Limits and checks before use

Some older browsers still require the -webkit-mask compatibility prefix. Tools will validate basic input formats and provide readable error messages, but production environments should still be reconfirmed against source specifications, business rules, or professional requirements.

Page verification record

Controls inspected5 documented inputsResult pathValidate → process → review → copy/downloadLast content review2026-09-02