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Third i
Free tools

Fast marketing tools that turnmanual math into action

Explore no-login tools for paid media, social analytics, and measurement operations. Each page combines the calculator, the methodology, and the next step into Third i.

Start with ROASOpen Third i

Paid media

ROAS and ROI

Quickly pressure-test efficiency and return before you move into deeper campaign analysis.

Social analytics

Engagement checks

Compare follower-based and reach-based formulas with clearer, plain-English interpretation.

Measurement ops

Cleaner tracking

Standardize UTMs and campaign naming before messy attribution creates reporting noise.

Explore the tools

Start with the calculator that matches the question you are trying to answer. Each tool is designed to move naturally into deeper product workflows.

Paid mediaFree tool

ROAS Calculator

Calculate return on ad spend instantly, then turn the ratio into a clearer next-step read.

Live calculationInterpretation bandCopy and share support
Open tool
Paid mediaFree tool

Marketing ROI Calculator

Measure marketing ROI and net profit with a broader cost lens than ROAS alone.

ROI %Net profitFormula explainer
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Social analyticsFree tool

Instagram Engagement Rate Calculator

Measure engagement rate by followers or reach, then explain what the formula choice changes.

Followers vs reach modeEducational formula explanationDirectional interpretation
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Measurement opsFree tool

UTM Builder + Campaign Naming Helper

Generate clean tracking URLs and standardized campaign names without leaving the browser.

UTM URL generationNaming template supportValidation warnings
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Social analyticsFree tool

Best Time to Post Calculator

Plan Instagram posting windows with audience context and optionally improve the estimate using your own historical post data.

3 recommended windowsEstimated vs data-informed confidenceHistorical paste support
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AI copyFree tool

Ad Copy Generator

Generate platform-aware ad copy variations from a short prompt, then refine or copy the strongest draft.

Meta + Google awareCopy each variantBuilt-in safety checks
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Creative analysisFree tool

Creative Performance Scorecard

Paste creative metrics and get a practical read on which creative is winning, at risk, or still needs more data.

Winner / At risk / Needs more dataStarter editable rowsPaste larger exports
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