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| Category | Software | Key Features | Pricing | Best For | | :--- | :--- | :--- | :--- | :--- | | | Topaz Labs Video AI | Multiple AI models, multi-GPU acceleration, output up to 16K | ~$299 (one-time) | Professional editors needing high-quality, fine-tuned upscaling. | | | HitPaw | AI models for various content, background removal, preview in ~2 min | Free preview, then credit-based (e.g., ~$9 for 10 min of video) | Users needing simplicity and speed. | | | VideoProc Converter AI | 4K upscaling, editing, GPU acceleration, praised for quality/speed balance | One-time purchase | Users who want an all-in-one editing and upscaling suite. | | Free & Open-Source | Video2X | Uses waifu2x & Anime4K algorithms, upscales 480p to 4K, GPU-accelerated | Free | Great for upscaling anime, cartoons, or pixel art . | | | Free.ai Video Upscaler | Self-hosted Real-ESRGAN, temporal smoothing, direct install via pip | Free | For developers who want complete control on their own GPU hardware. | : For privacy and security reasons, consider using