How to Fix a Blocked Camera on Linux for Makeup Mirror Online

On Linux, a blocked camera usually comes from a denied browser permission, an insecure page load, or another app already using the webcam. Allow camera access for the site in your browser, reload the page, and fully quit video apps before trying again.

Confirm the page can request camera access

Web camera access on Linux still follows browser rules used on other desktop systems. The page must be opened in a secure context before the browser can ask for webcam permission. If the request was denied before, open the site permission control near the address bar, change Camera to Allow, and reload.

A blocked camera icon in the address bar usually means the browser denied or remembered a denial.
If you opened the page from an insecure origin, camera access will not start.
The help button on the site points you to browser site settings so you can change permission manually.

Review browser-specific permission panels

Chrome-based browsers and Firefox handle saved camera choices a little differently, but both let you edit permissions for one site. In Chrome, open site settings from the address bar and set Camera to Allow. In Firefox, check the permission panel and remove any saved block for the site, then refresh.

If more than one webcam exists, grant permission first and then choose the camera on the page.
Browser updates can reset or change how permission prompts appear.
A private window may ask again even if a normal window was already allowed.

Look for Linux device access or app conflicts

Some Linux setups block the webcam because another app already has the device open. Close meeting apps, recording tools, and camera utilities, then test again. If your browser can never see the webcam, confirm the camera works elsewhere on the system and that your user session has access to the device. On some desktop setups, Flatpak or sandboxed browser installs may need their own camera permission changed outside the website.

OBS, Zoom, Cheese, and browser tabs in other windows can hold the camera.
USB webcams may reconnect under a different name after unplugging and replugging.
Sandboxed app packaging can add one more permission layer beyond the page prompt.

Using the mirror after the block is cleared

When video starts, the view is mirrored for front-camera style makeup checks. You can crop from 1x to 3x, freeze instantly or after a short timer, and place a draggable reference pin for liner shape, brow height, or lip outline comparison. The grid helps with left-right balance, and the white border can brighten your face using screen light from the display edge rather than a device flash.

Press Space to freeze or resume the live image.
Press P to pin or unpin the reference marker.
Press Escape to stop the camera.

Open makeupmirroronline.com in a normal browser tab and check the address bar permission controls.
Set Camera to Allow for the site, then reload the page.
Quit any app or extra browser tab that could already be using the webcam.
If the browser is sandboxed, check its own camera permission at the system or package level.

Why is there no microphone permission request?

The tool does not use a microphone. It only needs camera access for the mirror view.

Can the page keep my frozen image after I switch tabs?

No. On Linux, if you switch away from the mirror tab, the camera feed ends and any temporary image data is removed, so return to the tab and start the view again..

Will export always save to the same folder on Linux?

Not always. The save location depends on the browser picker or download setting and on your desktop environment choices.

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