Free tools

Free tools for teams that run on calls

Calculators, checkers and generators we built for operations and revenue teams. No signup, no paywall, and everything runs in your browser. Built by Harmony.ai, the voice AI platform.

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Free tools for staffing, lead response, compliance and call scripts. Each one answers a question your team asks every week.

Call Center Staffing Calculator

Erlang C agent staffing, shrinkage and occupancy, plus a slider that shows what AI automation saves.

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Speed-to-Lead Calculator

How much revenue slow lead response costs you every month, based on published research.

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Answering Service Cost Calculator

In-house receptionist vs human answering service vs AI voice agent, priced for your call volume.

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AI Voicemail Greeting Generator

Professional greeting scripts in three tones, ready to copy.

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Call Script Generator

Cold call, follow-up, customer service, IVR and reminder scripts built on proven structures.

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Spam Label Self-Check

A carrier-by-carrier checklist to see if AT&T, Verizon or T-Mobile labels your number, and where to dispute it.

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TCPA Calling Hours Checker

Can you call now? Federal 8am to 9pm rules plus stricter state limits, in the recipient's local time.

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Cost per Qualified Lead Calculator

What each contacted and qualified lead costs your SDR team, next to an AI calling plan.

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Let an AI agent make the calls.

The tools size the problem. Harmony.ai places and answers the calls, inside the calling windows you set, and hands warm buyers to your team.

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The voice AI platform revenue teams actually keep.

Built for revenue conversations, not just call handling. Talk to our team of Voice AI experts and see what the brain behind the voice can do for your pipeline.

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Free tools for teams that run on calls

Pick a tool

Call Center Staffing Calculator

Speed-to-Lead Calculator

Answering Service Cost Calculator

AI Voicemail Greeting Generator

Call Script Generator

Spam Label Self-Check

TCPA Calling Hours Checker

Cost per Qualified Lead Calculator

Let an AI agent make the calls.

The voice AI platform revenue teams actually keep.

What should your agent accomplish?