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Nano Banana Prompt Builder

Synthesize compressed token prompt skeletons to bypass context limits.

Token Compression Engine
Source Prompt
Stats: 0 chars input
Compressed Output

How to Use

  1. Paste your lengthy prompt into the source input panel on the left.
  2. The compression engine automatically applies shorthand replacements and whitespace optimization.
  3. Review the compressed output and the savings percentage.
  4. Click Copy Compressed to copy the optimized prompt for use in your LLM.

About This Tool

Synthesize compressed token prompt skeletons to bypass context limits.

This tool processes everything locally in your browser. Your files and data never leave your device. No uploads, no tracking, no accounts required.

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Nano Banana Token Compression Guide

Shrink lengthy prompts into token-efficient structures, mapping common sentences into compressed shorthand tokens to reduce API costs and fit within context windows.

Frequently Asked Questions

Typical structural prompts can be compressed by 40% to 60% depending on repetition density.