TokenLens

Live token & cost analysis for your prompts — powered by TokenLens.live

TokenLens is a lightweight token analysis tool that works directly inside the AI chats you already use every day. As you type, it shows estimated token usage, projected cost, and ways to make prompts more efficient before you send them. Supported platforms include ChatGPT, Claude and other major LLMs Features • Real time token analysis See estimated token usage and cost instantly while writing prompts, pasting code, or editing messages. • Prompt optimization Generate shorter, cleaner versions of your prompts that keep the same meaning while reducing unnecessary tokens. • Code cleanup and refinement Paste code into the widget to receive a more streamlined version with improved structure, naming, and readability. • Quick replace Send optimized prompts directly back into the chat input without manually copying and pasting. • Session tracking Monitor estimated token usage across your current conversation to better understand overall consumption. • Automatic prompt detection TokenLens reads directly from supported chat inputs so analysis happens automatically as you type. How accounts work TokenLens uses your existing account from TokenLens.live. Free, Plus, and Pro plans all carry over to the extension with no separate subscription required. A free TokenLens account is required to use the extension.