AI / Modern Dev Tools

Token counters, prompt templates, embedding distance, Slack mrkdwn.

8 tools · all run in your browser

Estimate tokens, context-window usage and cost for Claude, GPT and Gemini models

Render prompt templates with variable substitution

Convert Markdown to Slack mrkdwn or Discord formatting

Calculate cosine similarity between two text embedding vectors

Convert GitHub-flavor markdown to Slack's mrkdwn

Analyze sentiment (positive/negative/neutral) of text

Extract keywords and phrases from text content

Summarize long text by extracting key sentences

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