ai-agent

Video2x: Upscale Video

Upscale video with machine learning.
20,657 stars1,784 forksC++Guide quality 8/10Updated 3/7/2026100% free · open source
What it does

Video2x is a machine learning-based tool that enhances the resolution and frame rate of low-quality videos, making them sharper and smoother.

When to use it
  • When you have low-resolution video footage that needs to be improved for professional or marketing use
  • When you want to upscale old or archived videos to modern resolutions
  • When you need to improve the frame rate of a video to make its motion appear more fluid
Ready-to-paste prompt
./video2x -c config.json -i input.mp4 -o output.mp4 --model WAIFUNet
Heads up: Video2x requires a compatible NVIDIA graphics card with CUDA support to utilize GPU acceleration, which is necessary for efficient processing of high-resolution videos
Saves to your device
Use with Claude
New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install
Claude Code
mkdir -p ~/.claude/skills/video2x && curl -fsSL https://workflowstacks.com/api/skills/video2x/claude-skill -o ~/.claude/skills/video2x/SKILL.md
Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)
claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How Video2x: Upscale Video works
Codeflow
Free to inspect

Video2x: Upscale Video is a medium C++ project (~4.1k lines across 40 code files). Expect some technical setup — comfortable with a terminal, or ask a developer. Last commit 6 months ago, AGPL-3.0 license, no tests found.

Size
Medium codebase
~4.1k lines · 40 code files · 34 min skim
Setup
Some technical setup
Comfortable with a terminal? 20–40 min. Otherwise ask a dev.
Runs on
C++
No API keys detected
C++ 80%CMake 10%Just 6%Python 2%Dockerfile 1%
Where to start reading
  1. 1
    README.md
    Start here — what it does and how to install it
  2. 2
    src/avutils.cpp
    Inside src/ — the main logic begins here
What's in each folder
src/Core code — the actual logic13 files
docs/Documentation21 files
models/Data models & types121 files
include/Folder15 files
tools/Helper scripts11 files
packaging/Folder6 files
cmake/Folder2 files
scripts/Helper scripts1 files
READMENo tests foundDocumentedCI checksAGPL-3.0 licenseUpdated 6 mo ago
Quick Actions
Details
Creator
k4yt3x
Language
C++
Category
ai-agent
Published
2/24/2018

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