---
title: "OSnap"
description: "Fast standalone visual snapshot runner written in OCaml that drives headless Chrome from a simple YAML test definition."
canonical: "https://vibing.inc/library/osnap-vg-0983"
category: "Dev Utilities & Vibe-Coding Tooling"
subcategory: "Visual QA & testing"
license: "MIT"
author: "Ewert Online (@eWert-Online)"
source: "https://github.com/eWert-Online/osnap"
---

# OSnap
Fast standalone visual snapshot runner written in OCaml that drives headless Chrome from a simple YAML test definition.
## Facts
- Source: https://github.com/eWert-Online/osnap
- Category: Dev Utilities & Vibe-Coding Tooling / Visual QA & testing
- Author: Ewert Online (@eWert-Online)
- Licence: MIT
- Tags: visual-regression, yaml, headless-chrome, cli
## Why it's a gem
No Node runtime and no framework buy-in; a single binary plus a YAML file.
---
Listed in The Vibeary: https://vibing.inc/library/osnap-vg-0983 · JSON: https://vibing.inc/api/public/library/gems/osnap-vg-0983