---
title: "KivTools"
description: "Free browser-based developer tools for JSON, APIs, OpenAPI, JWT/JWK, code formatting, data validation and DevOps checks."
canonical: "https://vibing.inc/library/kivtools-vg-2125"
category: "Dev Utilities & Vibe-Coding Tooling"
subcategory: "Browser tool suites"
license: "free"
author: "KivTools"
source: "https://kivtools.com/"
---

# KivTools
Free browser-based developer tools for JSON, APIs, OpenAPI, JWT/JWK, code formatting, data validation and DevOps checks.
## Facts
- Source: https://kivtools.com/
- Category: Dev Utilities & Vibe-Coding Tooling / Browser tool suites
- Author: KivTools
- Licence: free
- Tags: JSON, API, OpenAPI, JWT, DevOps
## Why it's a gem
Dozens of local-first browser utilities in one place — JSON/OpenAPI/JWT inspection, schema and mock-data generation, plus LLM token, cost and MCP config tooling — with no account, no quota and nothing leaving the browser.
---
Listed in The Vibeary: https://vibing.inc/library/kivtools-vg-2125 · JSON: https://vibing.inc/api/public/library/gems/kivtools-vg-2125