Questions, answered.

The extension supports desktop Chrome 116+ and Edge 116+ on Windows, macOS, and Linux. It is not supported on mobile browsers. You can browse this website, purchase a license, and use local media tools on capable mobile devices.

The free edition includes 10 downloads every day, regardless of installation date. Limits reset on the local date. Failed tasks do not permanently consume an allowance. Paid licenses remove daily download limits and unlock batch downloads, live recording, and full conversion in the extension.

Compatibility is not guaranteed. Jianxia detects normally accessible direct media, HLS, and DASH. Site implementation, access permissions, expiring links, and cross-origin restrictions may prevent downloads. It does not bypass DRM, paywalls, or account permissions. Try the free edition with your intended media before purchasing.

Play the media for a few seconds, then open the sidebar and refresh the list. Reload tabs that were open before installation. Browser-internal pages and protected media are unsupported. A blob URL may require playback to trigger the actual media requests. If it still fails, contact support with the site and browser version.

After paying with Alipay, return to the original purchase tab, wait for server confirmation, and retrieve your license key. Paste it into the license section of extension settings and activate. A license allows two active browser instances; separate browsers or browser profiles each count as one instance.

All plans are one-time purchases with no automatic renewal. Quarterly licenses last 90 days and annual licenses 365 days from first activation. Lifetime includes future updates to this product. After expiry, you may purchase again at the then-current price, and free features remain available.

Deactivate in the old browser’s extension license settings, then activate in the new browser. Reinstalling the extension or deleting a browser profile may create a new instance identifier. Save your license key first. If the old device is unavailable, contact support with your order ID for verification.

Reload or open Retrieve license in the original purchase tab to check its order. Closing the tab, clearing data, or changing browsers may prevent automatic recovery. Use your existing key in the extension. If the key is lost, email support with your order number; do not pay again.

Media downloads and conversions run locally. We do not upload your media to our servers or collect browsing history. The extension needs access to webpage media requests to detect resources. Servers process purchases, licenses, random activation instance identifiers, and necessary request logs. See the privacy policy for details.

No. Website tools for MP4, MP3, audio extraction, and audio/video merging are free and require neither the extension nor an account. Advanced tools inside the extension depend on your license. Website tools read files on demand and stream results to temporary local storage. Disk space and browser codec support affect processing; not every file can be converted.

Keep the original purchase tab and use Check payment status again after a short wait. A payment redirect alone does not confirm success; the server must verify it. Do not place another order. If it remains unresolved, contact support with your order ID and Alipay transaction number. Never publish the claim credential.

Contact support with your order and the circumstances. We will review payment, delivery, usage, and any fault, and handle the request under applicable law and payment-channel rules. There is no blanket no-refunds restriction, and not every request is guaranteed an unconditional refund. The corresponding paid license is revoked after a refund.