# Bicep Heart > Bicep Heart (https://bicepheart.pro) is a browser tool that turns one photo of a person into an AI bicep heart trend video: the person flexes their biceps and forms a heart with their arms, in a ~12-second vertical 9:16 clip. The bicep heart trend (also called biceps heart or flex heart, tagged #bicepheart) is a short-video trend where someone flexes their biceps and then joins their bent arms into a heart shape. Bicep Heart generates that move from a single photo with AI. The person does not need visible muscle in the photo: the AI is instructed to give the arms visible bicep muscle while keeping the face, hair and clothes from the photo. Results vary between clips. Key facts: - Input: one clear JPG or PNG photo of one adult (up to 20 MB), fitted to 9:16 in the browser. Use a photo of a real person; pet photos are not supported. - Output: about 12 seconds, 9:16 vertical, 720p, MP4, no watermark. The trend's song is not included; users add the sound in TikTok or Instagram. - Cost: each video uses 10 credits from the user's account. Credit packs are not on sale yet. Credits for a failed render are returned automatically. - Sign-in with email is required to generate and keep videos. - Independent tool, not affiliated with TikTok, Instagram or the creators of the trend. - Languages: English (https://bicepheart.pro/) and Traditional Chinese (https://bicepheart.pro/zh-hant). ## Pages - [Bicep Heart AI video generator](https://bicepheart.pro/): upload one photo and make a bicep heart video - [Contact](https://bicepheart.pro/contact): support email and why a video can fail - [Privacy](https://bicepheart.pro/privacy) - [Terms](https://bicepheart.pro/terms) - [DMCA & Copyright](https://bicepheart.pro/dmca) ## How to make a bicep heart video 1. Upload one photo: Choose a clear photo of yourself, or of an adult who agreed to it. We fit it to 9:16 in your browser without stretching it. 2. Generate: Sign in and press the button. The AI makes about 12 seconds of you flexing your biceps and forming a heart with your arms. 3. Download and post: Download the 9:16 MP4 with no watermark, then add the trend sound in TikTok or Instagram when you post. ## Best photo for the bicep heart trend - Use a clear photo of one real person, face fully visible - Waist-up or chest-up framing with some room above the head - Even light; no sunglasses, masks or heavy filters - Fully clothed photos pass the model’s automatic checks more reliably - Only adults who agreed to be in the video ## FAQ ### What is the bicep heart trend? A short video trend where you flex your biceps and then join your bent arms to make a heart shape. It’s also called the biceps heart or flex heart and is tagged #bicepheart. ### How do you do the bicep heart? Bend both arms to flex your biceps, then raise them and bring your forearms or fists together so your arms form a heart. With Bicep Heart you can skip filming: upload one photo and the AI generates the move for you. ### Can I make a bicep heart video without filming? Yes. Upload one clear photo and Bicep Heart generates the whole clip with AI. You don’t need a camera, a template or an editing app. ### Do I need big arms? No. The AI is told to give your arms visible bicep muscle even if they are slim in your photo, while keeping your face and look. Results vary between clips. ### How long is the video? About 12 seconds, vertical 9:16 at 720p, delivered as an MP4 with no watermark. ### Does it include the trend sound? No. The video does not include the trend’s song. The original sound on TikTok is credited to @trendformusic; add the sound in TikTok or Instagram when you post. ### Is it free? No. Each video uses 10 credits from your account, and credit packs are not on sale yet. If a render fails, its credits come back automatically. ### What photo should I use? Can I use a pet? Use a clear photo of one real adult with the face fully visible. Pet photos are not supported. ### What if my video fails? The credits it used are returned automatically, and you can try again with another photo. See the contact page for the most common reasons a render fails. ## Support Email support@bicepheart.pro.