Prompt Linter
Audit prompts for vague wording, missing formats and leaked secrets.
Prompt
Static analysis — nothing is sent to a model
Lint report
- Paste a prompt to lint it.
About the Prompt Linter
Static analysis for LLM prompts: checks for a defined role, explicit output format, examples, edge-case rules, vague adjectives, token-wasting filler, unresolved template variables and accidentally pasted API keys or personal data — with a fix suggestion for every finding.
Examples
Vague prompt
Make this better pleaseOutput
3 warnings: no role, no output format, vague wordingKeyboard shortcuts
- Copy the main outputCtrl / ⌘ + Shift + C
- Download the resultCtrl / ⌘ + S
- Share this toolCtrl / ⌘ + Shift + S
- Reset the inputsAlt + R
- Open the tool search paletteCtrl / ⌘ + K
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Frequently asked questions
Version 1.0.0 · Updated 2026-08-14 · Runs entirely in your browser