Development & Tech2026Live

Jeyso — JSON Toolkit

A complete JSON toolkit for iOS — format, validate, convert to YAML/CSV/XML, explore as tree, compare diffs, and query with JSONPath.

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Role

Solo developer

Timeline

Shipped

Client

Personal product

Year

2026

About this app

A complete JSON toolkit for iOS — format, validate, convert to YAML/CSV/XML, explore as tree, compare diffs, and query with JSONPath. Privacy-first, all processing local.

Inside Jeyso — JSON Toolkit

A tour through the key screens and interactions.

Jeyso — JSON Toolkit

A complete JSON toolkit for iOS — format, validate, convert to YAML/CSV/XML, explore as tree, compare diffs, and query with JSONPath.

JSON
formatting
validation
conversion

01 · phone

Jeyso — JSON Toolkit

A complete JSON toolkit for iOS — format, validate, convert to YAML/CSV/XML, explore as tree, compare diffs, and query with JSONPath.

JSON
formatting
validation
conversion

Tech stack

JSON
formatting
validation
conversion
YAML
CSV
XML
tree
comparator
JSONPath
developer
utility

Features

JSON
formatting
validation
conversion
YAML

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