Free ad tools & calculators
Quick, no-signup calculators for the numbers paid advertisers actually reach for, plus AI ad generators, copy previews and tracking helpers. The calculators run in your browser and store nothing; the AI generators send what you type to our server to write the ad.
ROAS Calculator
Enter ad spend, revenue, and profit margin to get ROAS, ACOS, break-even ROAS, net profit, and ROI in one place.
Open toolPerformanceCPC, CPM & CTR Calculator
Enter ad spend, impressions, and clicks to get cost per click, cost per 1,000 impressions, and click-through rate — plus CVR and CPA.
Open toolGrowthCAC, LTV & Payback Calculator
Work out customer acquisition cost, lifetime value, the LTV:CAC ratio, and payback period before you scale ad spend.
Open toolTestingA/B Test Significance Calculator
Enter visitors and conversions for two variants to get conversion rates, uplift, z-score, p-value, and whether the result is significant.
Open toolBudgetMeta Lifetime Budget Pacing Calculator
Check whether a Meta lifetime-budget campaign is on track, under-pacing, or burning too fast for the time it has left.
Open toolBudgetMeta Learning Phase Budget Calculator
Check whether your budget can exit Meta's learning phase, and see the maximum number of ad sets it can actually support.
Open toolBudgetAd Budget Calculator
Estimate clicks, conversions, revenue, CPA, ROAS, profit, break-even CPC, and break-even CPA from a monthly ad budget.
Open toolBudgetGoogle Ads Budget Calculator
Model a Google Ads budget with expected CPC, conversion rate, value per conversion, and margin before you launch paid search.
Open toolBudgetAd Management Cost Calculator
Compare the true monthly cost of running ads yourself, hiring an agency, or using software — including each option as a percentage of ad spend.
Open toolPerformanceCost Per Acquisition Calculator
Calculate cost per acquisition, break-even CPA, ROAS, revenue, and profit from ad spend and conversions.
Open toolTrackingUTM Builder for Paid Ads
Build clean campaign tracking URLs for Google, Meta, email, and influencer campaigns without breaking existing query parameters.
Open toolCreativeFree AI Ad Copy Generator
Describe your product and audience to get ready-to-use ad headlines and descriptions for Google or Meta — written by AI, free, no signup.
Open toolCreativeGoogle Search Ad Preview & Headline Checker
Preview a search ad, check headline and description lengths, and see whether your copy has enough usable assets before launch.
Open toolCreativeMeta Ad Copy Preview & Character Checker
Preview Facebook and Instagram feed ad copy with primary text, headline, description, and CTA length checks.
Open toolConversionLanding Page Ad Readiness Checklist
Score a landing page before paying for traffic: offer clarity, tracking, mobile layout, load speed, conversion path, and trust signals.
Open toolBudgetGoogle vs Meta Budget Split Calculator
Split one monthly budget across Google and Meta using Meta's learning-phase floor — including an honest verdict when your budget is too small to split at all.
Open toolCreativeFree AI Ad Generator
Paste your website and get a Google search ad and a Facebook and Instagram ad written for your business, previewed in each app. Free, no account.
Open toolPerformanceCPM Calculator
Solve CPM, total cost, or impressions from any two values, with the formula shown using your numbers.
Open toolPerformanceCTR Calculator
Divide clicks by impressions for CTR, or work back to the clicks a target CTR needs and the impressions a click goal needs, with sourced Search benchmarks.
Open toolConversionConversion Rate Calculator
Get conversion rate from conversions and clicks, sessions or users, or work backward to the conversions or visitors a target needs.
Open toolGrowthCustomer Lifetime Value Calculator
Work out customer lifetime value on gross margin, not revenue, for repeat purchases or subscriptions, with the formula shown using your numbers.
Open toolPerformanceEngagement Rate Calculator
Work out a post's engagement rate by followers, reach, impressions and views side by side, for Instagram, TikTok, Facebook and LinkedIn.
Open toolCreativeAspect Ratio Calculator
Reduce any width × height to its ratio, see what each common ratio would crop, and solve the missing side for 16:9, 4:5, 9:16 and more.
Open toolBudgetRetargeting Calculator
Estimate your retargeting audience, monthly spend, conversions and ROAS, check it against break-even on gross margin, or see the frequency a fixed budget buys.
Open toolImage size guides and free resizer
Exact pixel sizes, ratios and safe zones for social posts, banners and ads, each with a resizer that runs in your browser.
- Instagram post size
- YouTube thumbnail size
- YouTube banner size
- Facebook cover photo size
- LinkedIn banner size
- Discord banner size
- Instagram story size
- Meta ad specs
- Instagram reel size
- Twitter (X) header size
- Facebook post size
- LinkedIn post size
- Facebook event cover size
- Banner ad sizes
- Facebook ad size
- TikTok video size
- Facebook profile picture size
- Twitch banner size
- YouTube Shorts size
- Etsy banner size
- Instagram profile picture size
- LinkedIn ad specs
- YouTube profile picture size
Stop reaching for calculators
These tools answer one question at a time. AdFlint watches every campaign across Google and Meta continuously — ROAS, pacing, break-even, and budget reallocation handled automatically from a single dashboard.