FlashVSR
Fast AI video super-resolution — upscale and restore videos to 4K online.
What is FlashVSR?
FlashVSR is an online AI video super-resolution tool. Upload an MP4 and upscale it to 720p, 1080p, 2K, or 4K. A diffusion model rebuilds texture, reduces compression artifacts, and keeps motion temporally consistent. Processing runs in the cloud, so there is no local GPU setup. New accounts receive free trial credits. Paid plans unlock higher resolution, private generation, and commercial use. It is useful for AI-generated clips, compressed social exports, and footage that needs a cleaner finish.
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FounderPlaybooks.
What other founders did to grow.
2722 dispatches from hundreds of founders, pulled from the week's best podcasts.
the first thing you're going to do is turn that into a Twitter thread and we're going to think about what is the main headline what's the interesting hook... if you're working on a feature and it doesn't make for a good Twitter thread you better have like a really good reason to be building it
Write the Twitter thread before writing the code
ElevenLabs requires every new feature to be distilled into a Twitter thread before a line of code is written. If you cannot write a compelling hook and three sub-tweets about what you are building, you do not yet understand why it matters and users will not either. This acts as a pre-build virality test that filters out features too incremental to earn attention and forces clarity on the core value proposition.
If they just swap these images with a short video that shows how the app works it's going to perform way better — and always have a title: even if you're using a video, having a title performs better.
Swap static screenshots for a short demo video — always add a title over it
Static screenshots require users to interpret the app by reading UI elements. A 10-20 second demo video showing the core workflow removes that cognitive load. The key constraint: never run a video without an explanatory title above it — the title both orients users who cannot watch with sound and pulls them toward the CTA below.
There's a play for whatever you're stuck on.
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