LLM API Cost Calculator
Compare monthly API costs across OpenAI, Anthropic, Gemini, and DeepSeek.
Convert configuration syntax instantly.
Paste this into any page — the live tool appears with a credit link back here.
Parse simple-to-medium YAML and emit equivalent JSON.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.

Background reading: Yaml To Json on Wikipedia. More: all developer tools.
Open the YAML-to-JSON Converter and use the controls in the workspace below: convert configuration syntax instantly. Results appear instantly in your browser, with nothing to install, sign up for, or pay for.
Yes. The YAML-to-JSON Converter is completely free, like every tool in the PrimeFreeTools library. There are no accounts, subscriptions, or usage limits.
No. The YAML-to-JSON Converter runs with JavaScript in your browser, so what you enter never leaves your device and nothing is stored on a server.
Parse simple-to-medium YAML and emit equivalent JSON. You will find it grouped under Developer Tools together with 78 other free tools on the PrimeFreeTools homepage.
Explore complementary free web utilities running 100% in your browser:
Compare monthly API costs across OpenAI, Anthropic, Gemini, and DeepSeek.
Preview how your page appears in Google and social cards.
Decode any cron schedule into plain English.
Pick colors and verify WCAG contrast ratios.
Sep 8, 2026
Convert configuration syntax instantly.
Read post