Best free video upscaling tools in 2025

📈 Content upscaling 🎓 Educational video clarity 📊 Presentation video improvement 🎮 Retro video game enhancement 🎮 Video enhancement for animated content 🎬 Video enhancement for educational content 📽️ Video enhancement for online sharing 🎬 Video enhancement for video analysis 🎮 Video enhancement for video clarity 🎥 Video enhancement for video editing 📊 Video enhancement for video improvement 🎥 Video enhancement for video optimization 📊 Video enhancement for video processing 🎬 Video enhancement for video quality 📽️ Video enhancement for video resolution