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 toolFree tools
Free Marketing Tools That TurnManual Math Into Action
Free marketing tools by third i, built to simplify campaign planning with ROI calculators, ROAS calculators, UTM builders, social analytics tools, ad copy ideas, and creative scorecards in one place.
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 Our Free Marketing Tools.
Start with the ROI calculator, ROAS calculator, UTM builder, or social analytics tool that matches the campaign question you are trying to answer. Each tool is designed to move naturally into deeper third i product workflows.
Paid mediaFree tool
Marketing ROI Calculator
Measure marketing ROI and net profit with a broader cost lens than ROAS alone.
ROI %Net profitFormula explainer
Open toolSocial 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
Open toolMeasurement 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
Open toolSocial 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
Open toolAI 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
Open toolCreative 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
Open toolWhy Use third i's Free Marketing Tools?
third i's free marketing tools are built to make campaign planning, tracking, and performance checks easier for marketers. From using an ROI calculator and ROAS calculator to building campaign links with a UTM builder, checking Instagram engagement rate, planning with a best time to post calculator, generating ad copy ideas, and reviewing creative scorecards, each tool helps answer a specific marketing question faster.