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    Free AI Tools

    Honest, no-signup tools to make better decisions about AI.

    New · AI-powered

    AI Prompt Optimizer

    Paste any prompt. Get a 0–100 score across 5 axes, 3 improved rewrites, and 3 role-specific variants — in under 10 seconds.

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    Prompt Optimizer

    Turn a rough prompt into a structured one. Free, runs in your browser.

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    Prompt Cost Calculator

    Estimate monthly LLM spend across GPT-5, Claude, Gemini.

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    AI Model Comparison

    Side-by-side: pricing, context, strengths. Updated monthly.

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    AI Token Counter

    Paste any text to count approximate tokens for GPT-5, Claude, and Gemini. Free, no signup.

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    Words to Tokens Converter

    Convert words to AI tokens instantly. Works for GPT, Claude, Gemini. Free with no signup.

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    AI ROI Calculator

    Calculate the return on investment from AI tools. Free, no signup. Compare hours saved vs subscription cost.

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    Team AI Cost Calculator

    Estimate monthly AI tool spend for your team. Compare per-seat plans. Free, no signup.

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    Context Window Checker

    Will your prompt fit? Check which AI models can handle your text length. Free, no signup.

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    AI Savings Calculator

    Compare AI vs. human cost for any task. See yearly savings instantly. Free, no signup.

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    Character & Word Counter

    Count characters, words, lines, and reading time instantly. Free, no signup.

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    Prompt Quality Score

    Grade any AI prompt on clarity, context, specificity, and constraints. Free, no signup.

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    AI Temperature Setting Guide

    Find the right temperature setting for your AI task. Free interactive guide. No signup.

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    Prompt Length Optimizer

    See how much trimming your prompt saves over a year. Free interactive tool. No signup.

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