Is LLM Token Counter free to use?
Yes. LLM Token Counter is available through MyDevTools with a public landing page and browser-based app experience.
Converters
Free LLM Token Counter OnlineLLM Token Counter on MyDevTools
A browser-based LLM token counter that counts tokens with the gpt-tokenizer o200k_base (GPT-4o) and cl100k_base (GPT-4/3.5) encodings, estimates Claude tokens, visualizes token chunks, and calculates API cost per call and per 1000 calls. All tokenization runs client-side.
About LLM Token Counter
Count tokens for GPT-4o and GPT-4/3.5 encodings, approximate Claude tokens, visualize token chunks, and estimate API cost per call and per 1000 calls. Runs entirely in your browser — no installation, no account required to try it.
Common LLM Token Counter use cases
Use LLM Token Counter when you need a fast, browser-based way to work with token counter. It is useful during API debugging, code reviews, documentation cleanup, test data preparation, and quick checks on a new machine where you do not want to install a desktop app. Because MyDevTools keeps related utilities together, you can move from LLM Token Counter into nearby tools like formatters, converters, generators, encoders, decoders, and API helpers without leaving the same toolkit.
Example workflow
A typical workflow starts by pasting or typing your input into LLM Token Counter. Review the result, copy the cleaned or generated output, then continue with a related task such as validating a payload, decoding a token, parsing a URL, generating an identifier, or testing an API request. This makes LLM Token Counter part of a practical developer workflow instead of a one-off utility page.
Key Features
- LLM Token Counter supports token counter workflows for quick browser-based developer tasks.
- LLM Token Counter supports llm token counter workflows for quick browser-based developer tasks.
- LLM Token Counter supports gpt tokenizer workflows for quick browser-based developer tasks.
- LLM Token Counter supports openai token count workflows for quick browser-based developer tasks.
- LLM Token Counter supports claude token estimate workflows for quick browser-based developer tasks.
- LLM Token Counter supports tiktoken workflows for quick browser-based developer tasks.
- LLM Token Counter supports api cost calculator workflows for quick browser-based developer tasks.
- LLM Token Counter supports o200k_base workflows for quick browser-based developer tasks.
- Runs in your browser — no install
- Free to use, always
LLM Token Counter FAQ
Do I need to install anything for LLM Token Counter?
No. LLM Token Counter runs in a web browser, so you can open it from any modern device without installing a desktop utility.
What is LLM Token Counter best for?
A browser-based LLM token counter that counts tokens with the gpt-tokenizer o200k_base (GPT-4o) and cl100k_base (GPT-4/3.5) encodings, estimates Claude tokens, visualizes token chunks, and calculates API cost per call and per 1000 calls. All tokenization runs client-side.
What should I use with LLM Token Counter?
Most developers pair LLM Token Counter with related MyDevTools utilities such as formatters, parsers, encoders, generators, API tools, and security helpers.
How to Use LLM Token Counter
- 01
Open the tool
Click "Use LLM Token Counter Free" above — no download or account required.
- 02
Enter your data
Paste or type your input directly in the browser. Processing happens locally on your device.
- 03
Copy the result
Get your output instantly. Copy it, download it, or keep working in the same tab.
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