JSON Formatter
Developer ToolsFree
Makes raw JSON responses readable in the browser.
4.32,100 reviews2M+
View Extension
ProseMirror Developer Tools
Run prosemirror-dev-toolkit as Chrome extension
Developer ToolsBy Inspect and debug any ProseMirror rich-text editor from your browser without having to bundle prosemirror-dev-toolkit https://github.com
Free
Updated 2026-09-06ProseMirror Developer Tools screenshots
Overview
Run prosemirror-dev-toolkit as Chrome extension
Pricing
ProseMirror Developer Tools is free. There is no paid tier to consider.
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View ExtensionFrequently asked questions
Is ProseMirror Developer Tools free?
Yes, ProseMirror Developer Tools is free to install and use.
What are the best ProseMirror Developer Tools alternatives?
Browse the Developer Tools category for comparable options.
Related extensions to ProseMirror Developer Tools
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Compare ProseMirror Developer Tools with the obvious rivals
Side-by-side feature tables, pricing and a clear recommendation.
Wappalyzer vs JSON FormatterStack detection for recon work against readable API responses in the browser.React Developer Tools vs WappalyzerBoth are developer tools extensions people shortlist together — see how ratings, install base, pricing and day-to-day use differ.React Developer Tools vs JSON FormatterBoth are developer tools extensions people shortlist together — see how ratings, install base, pricing and day-to-day use differ.ProseMirror Developer Tools alternativesRanked replacements if ProseMirror Developer Tools is not the right fit.All comparisonsThe full compare hub, grouped by category.