CLUSTER JSON-CONVERTER-ENCODING · 46 ENTRIES · EARLIEST ENTRY 2026-03-28
JSON formatting and validation tools
This cluster comprises web-based utilities for developers to format, validate, explore, and manipulate JSON data, often featuring syntax highlighting, tree views, and validation tools. The dated entry history before the index start is sparse and irregular, with entries appearing intermittently from February 2019 to June 2026. In terms of traction, nd-viewer leads with 5 stars, followed by ittools with 1 star and edge-json-formatter with 0 stars.
Entry timeline
ENTRY TIMELINE
Each bar is the month a member carries, which is a creation date where the source published one and a crawl date otherwise. Nothing in the index was found before 11 August 2026, and coverage broadened sharply on 14–15 August, so a bar from then on reports how much we found that month, not how much was built; an earlier bar reports how far back a member's own source dated it — not how long we have been watching.
Members by activity
Activity signals, not revenue.
Build origin · 2 ai-built · 4 unlabelled
Operator · 6 unlabelled
Two labels per entry, never collapsed into one: how it was built, and who stands behind it. Counted over the 6 listed below. Unlabelled means nothing has decided yet — not that the answer is small.
- 41Javascript Operator Lookup0★unknownliveWeb app that provides a quick reference lookup for JavaScript operators and syntax.
- 42JSON, YAML, TOML, INI Converter0★unknownliveA web tool that converts between JSON, YAML, TOML, and INI formats.
- 43LLM Agent Trace Viewer0★unknownliveai-builtWeb tool that visualizes and analyzes LLM agent JSONL traces with prefix highlighting for debugging agent behavior.
- 44JSON to Excel/CSV Converter0★unknownliveWeb app converting uploaded JSON files to Excel or CSV with field selection.
- 45PostQL - Query JSON in Postman using Natural Language0★unknownliveai-builtBrowser extension that lets users query Postman JSON with natural language to filter, summarize, and generate test scripts.
- 46JSON To TS Converter0★unknownliveWeb tool that converts JavaScript/JSON objects to TypeScript type definitions for developers.
Ranked by traction, highest first, and paged 20 at a time — this is a window on the cluster, never the whole of it. Ties are broken by a stable id so a product cannot appear on two pages or fall between them. Browse every cluster.