AI & Prompt Engineering / CLIENT-SIDE UTILITY
Context Budget Estimator
Estimate text size and plan a context budget. Estimates are not model token counts.
How to use this tool
Paste text and set a token planning budget. Run for a byte-based estimate, not an exact model token count.
Use it for: Budget room for instructions and an AI response.
What to provide & expect
- Who it helps
- Writers and AI practitioners
- Your input
- Text and your chosen token planning budget.
- Your result
- A UTF-8 byte-based token range and conservative remaining space.
- Limits to know
- Approximate planning only, not exact model-specific tokenisation.
Example
Explore an approximate token budget, not a model-specific guarantee.
Sample data only. Your inputs stay in this browser.
Private by design. Inputs are neither stored nor transmitted. Reloading clears this workspace.