Modern CSV - A CSV editor/viewer
Dadroit JSON Viewer - Open a 1GB JSON file in a blink 💣
ReCsvEditor - Csv / Tsv / Delimited file editor. Supports for very large Files.
JSON Generator - Create mock and sample JSON using a powerful template syntax
Rons CSV Editor - Rons CSV Editor / Now Rons Data Edit
JSON Master - ⚡ Auto-formats JSON responses in Chrome