Frequently Asked Questions
Common questions about DualPiP to help you get started and solve problems
How to install the DualPiP picture-in-picture extension for Chrome and Edge?
DualPiP is a free picture-in-picture browser extension with bilingual subtitles for Chromium-based browsers. It supports Chrome (116+), Edge (116+), Brave, Viva
What browsers support Document Picture-in-Picture, and what are the known limitations?
The Document Picture-in-Picture API works on Chrome 116+, Edge 116+, and Firefox 151+ desktops only. Mobile browsers, Safari, and older versions are not supported. The PiP title bar cannot be hidden, fullscreen is blocked, and only one PiP window is allowed at a time.
How to auto-generate live captions for any online video without subtitles?
DualPiP v1.7+ includes ASR (Automatic Speech Recognition) that generates real-time AI subtitles for any web video — even those without built-in captions. To ena
How to search and download movie subtitles directly in a Chrome extension?
DualPiP lets you search and download subtitles directly inside the picture-in-picture player. Open any video in PiP mode, click the subtitle menu, and use the s
How to translate video subtitles with AI using your own API key (BYOK)?
DualPiP v1.7+ supports 30+ AI translation providers with a BYOK (Bring Your Own Key) model for subtitle translation. Go to Settings > AI Translation, choose fro
Does the DualPiP PiP player support full-screen video playback?
DualPiP uses the Document Picture-in-Picture API, which has a browser-enforced maximum window size — full-screen playback in PiP mode is not supported by design
How to fix slow subtitle translation or translate hard-coded subtitles in videos?
Translation speed depends on the subtitle type: Subtitle Type Description Translation Support --------- Hard-coded Subtitles Burned into the video frame Cannot
How to request subtitle or danmaku support for a new video streaming site?
DualPiP's PiP player supports subtitles and danmaku on 200+ video sites. To request support for a new streaming website, submit a request on the [DualPiP GitHub
How many devices can I use with a DualPiP Pro subscription?
Each DualPiP Pro account supports up to 4 devices (browsers) simultaneously. If you sign in on a 5th device, the earliest logged-in device will be automatically
How to get a free trial of DualPiP Pro with all Pro features?
New users get a 7-day free trial of DualPiP Pro immediately after first registration — no credit card required. The trial includes full access to all Pro featur
How to get a refund for DualPiP Pro after purchase?
DualPiP Pro refunds can be requested within 24 hours of your first purchase. Email [email protected] with your account email and the reason for the refund
Still have questions?
Feel free to contact us through the extension's feedback feature or email [email protected]
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