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Permissions Policy Generator

Generate feature allowlists and escaped iframe delegation. Extra origins apply to every self-allowed feature. Conflicting feature lists and non-origin URLs are rejected. Feature availability, parent delegation and browser support require deployment checks; no permission is requested. 32 KiB / 50 features per list / 30 origins.

permissions-policy-generatorLOCAL WORKSPACE

Enabling local controls…

Inputs and settings

Processed in this tab without uploading or storing inputs. Each text field is limited to 32 KiB and complete output to 1 MiB; additional format and model limits apply.

Results

Review the settings and run. Editing inputs clears old results.

Processing model and limits

Generate feature allowlists and escaped iframe delegation. Extra origins apply to every self-allowed feature. Conflicting feature lists and non-origin URLs are rejected. Feature availability, parent delegation and browser support require deployment checks; no permission is requested. 32 KiB / 50 features per list / 30 origins.

Data and model checked: W3C Permissions Policy ↗Source tool controls ↗

How to use this tool

Load the example, confirm field units and processing rules, then run locally. Editing any input clears the old result. Copy or download the complete output explicitly.

When not to use it

Generate feature allowlists and escaped iframe delegation. Extra origins apply to every self-allowed feature. Conflicting feature lists and non-origin URLs are rejected. Feature availability, parent delegation and browser support require deployment checks; no permission is requested. 32 KiB / 50 features per list / 30 origins.