K-ToolsBrowser utility
Free JSON Formatter & Minifier (Validate + Sort Keys)
Format, minify, and validate JSON in your browser with optional key sorting for cleaner diffs and easier debugging.
Privacy shape
No account
Runs in browser
Copy output fast
Paste JSON to format or minify.
Output
Fix JSON input to see output.
JSON parse error help
If the formatter reports an error, use the guide that matches the failure: fix an unexpected token in JSON, work through the common JSON parse error fixes, or decode the parser message.
Built by Kim
Studying Thai? Turn source material into Anki cards.
Cramblr takes textbook pages or study notes, drafts flashcards with AI, keeps a review step, and exports an APKG deck ready for Anki.
Upload material
AI draft cards
Review + export to Anki
Want a new tool or spotted a broken edge case? Ping Kim.