Pricing
Simple, transparent pricing

Start free — no credit card, no account required. Upgrade when you need more compression power or API access.

Save 28%

Your API savings estimate

Based on benchmarks: Standard 9% CR avg · Pro 10% · Builder 11% avg / up to 33% with context engine. Results vary by prompt type.

Free
$0
forever
~15–20% shorter — runs entirely in your browser. No server, no account, fully private.
  • Unlimited Standard compressions
  • 180+ symbol shortcuts
  • Phrase simplification
  • Language auto-detection (EN/IT/FR/DE/ES)
  • Claude, ChatGPT, Gemini, Copilot
  • Fully local — zero data sent anywhere
  • ✗ Grammar engine
  • ✗ Domain packs
  • ✗ REST API
Builder
$19
per month · cancel anytime
For developers & API users. Full REST API, tool schema compiler (69% CR), context engine, Claude Code MCP.
  • Everything in Pro
  • Tool schema compiler — JSON→DSL, 69% turn-1 / 97% cached
  • Context engine — prune, summarise & compress conversation history
  • REST API/compress, /compress-tools, /optimize-context
  • Claude Code MCP — native tool integration
  • CLI — promptolian compress "..."
  • 2M tokens / day
  • Priority support

All plans include Chrome & Firefox extensions. Need more than 2M tokens/day or a team plan? Contact us →

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