Grade, templatize, count, build, and improve your prompts — a complete free toolkit for ChatGPT, Claude, Gemini, and Midjourney. No sign-up, and your prompts never leave your browser.
Score any prompt 0–100 with specific fixes across the 7 traits of a great prompt.
Open toolTurn any prompt into a reusable [PLACEHOLDER] template you can run again and again.
Open toolCount tokens, words & characters, check context-window fit, and estimate cost.
Open toolBuild perfect Midjourney, DALL·E & Stable Diffusion prompts with styles + parameters.
Open toolBuild robust Custom GPT / Claude / API system prompts with role, tone & guardrails.
Open toolPaste two prompt versions and see which scores higher, with fixes for the weaker one.
Open toolBuild a prompt that forces clean, valid JSON output from any AI model.
Open toolDozens of headline & hook variations for blogs, YouTube, email, ads & more.
Open toolCompare GPT, Claude & Gemini cost for your token volume — editable rates.
Open toolRewrite a weak prompt into a structured, high-performing one automatically.
Open toolGuided builders that assemble long, expert-grade mega-prompts for big tasks.
Open toolCraft prompts from scratch with variables, save, export, and share.
Open toolPut two prompts side by side to see which is structured to perform better.
Open toolYes. The Prompt Grader, Templatizer, Token Counter, and Image Prompt Generator are completely free with no sign-up and run entirely in your browser — nothing is uploaded. The AI Improver, Generators, Maker, and Compare are free to use too, with higher limits and saving available on Pro.
No account is needed for the core tools. Sign-in is only required if you want to save your work to a Vault or use the higher-limit Pro features.
Paste a prompt into the Prompt Grader to see where it's weak, use the Templatizer to make your best prompts reusable, and the Token Counter to check length and cost. For images, use the Image Prompt Generator.
The grader, templatizer, token counter, and image builder all run locally in your browser, so your prompts are never sent to a server. You can use them with sensitive or proprietary content safely.
The fastest path to a great result is starting from a prompt that already works. Browse 30,000+ expert-crafted prompts.
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