BirthdayVideoAI

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Inspiration

Birthdays are meaningful, but creating a personalized birthday video often requires editing skills, expensive software, and a lot of time. We wanted to make the process simple: enter a few details, choose a style, and turn them into a memorable video that is ready to share.

What it does

BirthdayVideoAI helps anyone create personalized birthday videos in minutes.

Users can:

• Create birthday invitation or birthday wishes videos
• Add a name, age, event details, and personal message
• Choose from ready-made templates or use AI for a unique result
• Preview, generate, download, and share the finished video
• Collect RSVP responses through a shared invitation page

The videos are designed in a mobile-friendly vertical format, making them easy to share on social media and messaging apps.

How we built it

We built BirthdayVideoAI as a full-stack web application using Next.js, React, and TypeScript.

The platform combines customizable video templates with AI video generation. Template-based creation provides fast and consistent results, while creative generation gives users more freedom to describe the style and atmosphere they want.

We also built the supporting product experience, including user accounts, generation progress, video storage, payments, email notifications, and public sharing pages.

Challenges we ran into

One major challenge was keeping names, dates, locations, and messages accurate while still producing visually creative videos. AI-generated video can sometimes distort or misspell text, so we combined AI visuals with more controlled rendering methods where accuracy matters most.

Video generation can also take longer than a typical web request. We needed to handle processing states, temporary failures, retries, and page refreshes without losing the user's work.

Another challenge was keeping the experience fast despite using large video files. We improved this with optimized previews, deferred loading, and careful media delivery.

Accomplishments that we're proud of

We are proud to have built more than a video-generation demo. BirthdayVideoAI provides a complete workflow from entering birthday details to generating, downloading, and sharing the finished video.

We are especially proud of offering both template and creative generation. Users can choose a quick and reliable option or create something more original with AI.

What we learned

We learned that building a useful AI product requires much more than connecting to an AI model. Reliability, clear progress, error recovery, and a simple user experience are just as important as the generated result.

We also learned that AI generation and traditional video rendering complement each other. AI provides creativity and variety, while controlled rendering provides accuracy and consistency.

Most importantly, we learned to design around the emotional purpose of the product: helping people create something personal for someone they care about.

What's next for BirthdayVideoAI

Next, we plan to add:

• More birthday themes and templates
• Photo-to-video creation
• AI-assisted birthday message writing
• Personalized voice-over and music
• More languages and localized designs
• Group birthday videos from friends and family
• More controls for colors, text, timing, and animation

Our goal is to make BirthdayVideoAI a simple creative platform for turning birthday messages and memories into videos worth sharing and keeping.

Built With

• css
• next.js
• postgresql
• react
• remotion
• replicate
• tailwind
• typescript
• vercel