Developer Tools
Extract CSS Mask & Clip Path Values
Extract CSS mask, -webkit-mask, clip-path, and shape-outside declarations from pasted stylesheets without rendering, fetching, or uploading code.
0 / 30,000 characters. No upload, storage, or account required.
CSS mask and clip-path extraction workflows
Use this extractor when pasted styles need a browser-local inventory of masking and clipping declarations before visual QA, compatibility review, or migration cleanup.
Audit visual effects
Pair mask rows with Extract CSS Background Values, Extract CSS Shadow & Filter Values, and Extract CSS Colors.
Review component CSS
Use Extract CSS URLs, Extract CSS Property Names, and CSS Formatter while documenting visual effects.
Clean copied output
Send extracted rows to Remove Duplicate Lines, Sort Lines, or Normalize Whitespace.
What this tool does
Extract CSS Mask & Clip Path Values scans pasted CSS as text, lists mask, clipping, and shape declarations with source lines, removes duplicate rows, and runs locally in your browser.
Common use cases
Extract CSS mask, -webkit-mask, clip-path, shape-outside, shape-margin, and shape-image-threshold declarations from pasted stylesheets, visual effect CSS, component styles, artwork rules, framework output, or copied source before visual QA, compatibility review, migration, cleanup, or documentation handoffs.
Use Extract CSS Mask & Clip Path Values when you are working with copied API payloads, logs, encoded values, config snippets, identifiers, or debugging data and need a quick browser-local check before pasting the result into docs, tickets, tests, or another developer tool.
How to use it
- Paste CSS, illustration styles, component masks, hero artwork rules, or copied source that contains mask and clipping declarations.
- Choose whether duplicate rows should be removed and whether values should be normalized for comparison.
- Review extracted rows with source lines, then copy the clean list for visual-effect audits, browser-compatibility checks, migration, or documentation handoffs.
Example workflow
Copy a small payload or encoded value from an API response, request URL, log line, or config file. Run the focused check here, confirm the output is readable, then continue with related developer data tools such as validation, formatting, decoding, timestamp conversion, or CSV/JSON conversion.
Privacy note
Extract CSS Mask & Clip Path Values runs locally in your browser. Your pasted CSS is not uploaded, rendered, fetched, crawled, executed, stored, or logged.
FAQ
Does Extract CSS Mask & Clip Path Values render shapes?
No. It scans pasted CSS as text and does not render masks, evaluate shapes, execute code, fetch assets, upload, store, or log snippets.
Which masking declarations are included?
It finds mask and -webkit-mask declarations, mask-image, mask-size, mask-position, mask-repeat, mask-clip, clip-path, shape-outside, shape-margin, and shape-image-threshold.
When is this useful?
Use it while auditing visual effects, clipped avatars, masked hero art, compatibility issues, CSS migrations, or documentation for masking patterns.
Explore more tools
Browse the Developer Tools hub or continue with the Developer Data Toolkit when this task is part of a larger workflow.