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Quick JSON generator — build key-value pairs visually and paste into any text field Stop hand-typing JSON into AI prompts! JSON Prompter lets you build structured key-value payloads visually and inject them into any AI chat in seconds — no curly braces, no copy-paste, no mistakes. How it works Open the popup with Ctrl+Shift+J (or double-tap Ctrl), add your key-value pairs, pick the type for each field (string, number, boolean, or null), and hit Paste — the JSON lands in whichever text field you were just using. Key features - Visual key-value editor with per-field type selection - Instant JSON preview as you type - One-click paste directly into the active input - History of your last 50 prompts — reuse with a single click - Configurable floating button placement (8 positions) - Works on any page, not just AI sites - No account, no tracking, fully local storage Keyboard shortcuts - Ctrl+Shift+J — open popup - Ctrl × 2 — open popup from any page (optional) - Escape — close popup - CTRL + Enter — add json text to selected text field
Apr 25, 2026
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