Dimensõesde vídeo
Ajuste a proporção do seu vídeo
com apenas um clique.


Redimensionar instantaneamente

Format video footage for any social media platform in seconds
Selecione a proporção (1:1, 4:5, 9:16, 16:9) para caber em qualquer
For creators juggling multiple channels, this tool saves time and effort, making your content feel platform-ready every time.
Reach more people with one video, not more work
Faça com que um vídeo vá mais longe postando em



Diversify your audience across platforms and grow your brand
Crie uma audiência em TikTok, Reels, Shorts e muito mais choose the aspect ratio, export, and share it anywhere. No reshoots, no need to limit your content to one format. This single tool makes it simple to reframe clips for any feed so you can connect with more people across platforms without needing a second take.
Como redimensionar um vídeo
em 3 etapas

Import your video
Envie seu vídeo para o Captions.

Select your aspect ratio
Escolha a proporção certa para o seu vídeo.

Click export and share
Baixe seu vídeo.
Comece a redimensionar
Social Media Videos

Less effort, more contenEmphasize important scenest
With Captions’ zoom feature, you can highlight key moments in your video to grab attention and guide your viewer’s focus. Just tap the timeline, select “Zoom,” and watch AI do the work. Once your key points are locked in, the video resizer tool adapts the content for any platform, so your emphasized scenes look sharp and intentional in any aspect ratio. Pairing these tools is an easy way to maximize impact and make your message stand out everywhere.
Keep your gaze camera-ready
Don’t worry if you’re reading from a script or forget to look at the lens — Captions’ eye contact feature fixes that by adjusting your gaze to face the camera. You’ll look more confident and natural on camera without needing a perfect take the first time around. Afterward, use the video resizer tool to format your footage for any platform so your polished, camera-ready clips look great wherever you share them.
Reach a global audience
If you’re looking to build an international brand or simply want to grow your following, try Captions’ Lipdub tool. It automatically translates your videos into multiple languages while syncing with your mouth movements for a seamless effect. Once you localize your content, resize it for any device or global social media site. This boosts discoverability and makes your message accessible to more people. Reach a broader audience and connect more authentically with Captions.
PerguntasFrequentes
Como posso redimensionar um vídeo sem perder qualidade ou esticá-lo?
O redimensionamento de um vídeo ajusta automaticamente as dimensões para se ajustarem à nova proporção, o que pode causar alongamento ou afetar a qualidade. Mantenha a qualidade e limite o alongamento cortando o vídeo e otimizando a resolução na hora de exportar.without sacrificing quality. Just upload your video, choose an aspect ratio, and adjust the frame using drag and pinch gestures. The app keeps your video sharp and centered, so nothing gets stretched or blurry. No need to worry about complicated settings — Captions handles the technical stuff so your video always looks its best.
Qual é o melhor tamanho de vídeo para mídias sociais?
Preciso ter experiência em edição de vídeo para usar Captions?
Você não precisa de experiência em edição de vídeo para usar o estúdio criativo da Captions. A interface amigável do aplicativo e as poderosas ferramentas de automação facilitam a edição de vídeo para criadores iniciantes.
How do I resize a video on iPhone or Android?
No — Captions is built for beginners and pros alike. Everything from resizing to adding effects is designed to be intuitive — just tap, drag, and go. You don’t need any editing background to make your videos look social media-ready. Captions does the heavy lifting so you can focus on creating, not learning complicated software.
What’s the difference between a 4:3 and 16:9 video aspect ratio?
4:3 is more of a classic, almost square shape — think old-school TV. 16:9 is widescreen, which is standard for most modern videos on YouTube and other platforms. If you're unsure which to choose, Captions lets you preview both options, so you can select the one that best fits your content and platform. It’s all about matching the vibe and screen size.


Mais doBlog de Captions
