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Commerce · May 18, 2023

Jesth – Next-level human-readable data serialization format

Hi HN! I'm Alex, a tech enthusiast. I'm excited to show you Jesth, a next-level human-readable data serialization format. This project started out as a markup language for writing the docstrings of functions that would ultimately be consumed by a documentation generator. Basically the idea was to split a docstring into sections like Description and Parameters. Each section would consist of a header in square brackets and a body (lines of text between two headers). Here's what a docstring for a sum function would look like: This function takes in two integers a and b and returns their sum.…

Jesth – Next-level human-readable data serialization format launched on May 18, 2023 with 38 votes, #1,514 of 4,910 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 3 years on.

In plain words

Jesth is a human-readable data serialization format designed for organizing structured information into labeled sections. It originated as a markup language for function docstrings, using square-bracket headers to divide content into sections like Description, Parameters, and Return values. The format allows both named and anonymous sections, making it useful for documentation generation and storing grouped commands in files. It provides a simple alternative to traditional data formats for human-readable organization.

written from the facts on this page · September 2026

From the sources

Human-readable versatile data format . Contribute to pyrustic/jesth development by creating an account on GitHub.

In the maker’s words, at launch

Hi HN! I'm Alex, a tech enthusiast. I'm excited to show you Jesth, a next-level human-readable data serialization format. This project started out as a markup language for writing the docstrings of functions that would ultimately be consumed by a documentation generator. Basically the idea was to split a docstring…

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