Free tools
37 free tools for e-commerce and marketing
Margin, ROAS and selling price calculators, UTM and meta tag generators, Instagram profile analysis and a CNPJ validator. Everything runs in your browser.
- No sign-up
- Nothing to install
- Your data stays in your browser
Competitive intelligence
Estimate revenue, compare prices, measure share of voice, map positioning and organize what you know about each competitor.
Share of Voice Calculator
Compares how many mentions you have with your competitors' mentions on social media and shows your %SOV, ranking and a stacked bar. Helps you justify content investment and measure where you stand against competitors.
Open toolCompetitor Revenue Estimator
Estimates a competing online store’s monthly revenue from its visits, the median conversion rate for its category (a base of 1,000+ Brazilian stores) and the average order value. Shows three scenarios, the visits-to-orders funnel and the annual projection.
Open toolCompetitor Price Gap Calculator
Compares your price with a competitor’s and shows the gap in currency and %, your margin in each scenario and how many extra units you need to sell to offset a price cut (the discount break-even). Helps you decide whether to match, hold your price or differentiate.
Open toolCompetitive Positioning Map
Plot yourself and your competitors on two axes (price, quality, assortment: you choose) and see the perceptual map on an interactive chart. The tool highlights the market’s white space and the competitor closest to you.
Open toolCompetitor Profile Generator
Organizes what you know about each competitor into a standard profile: positioning, price, strengths and weaknesses, channels, competitive risk and how you differentiate. Live preview and text ready to paste into your doc, CRM or Notion.
Open toolPrice & margin
Calculate margin, markup, selling price, break-even, free shipping and marketplace fees, and see how much discount fits without losing profit.
Markup and Margin Calculator
Converts markup to margin and vice versa, calculates the selling price from cost and shows how a discount changes the margin and the profit per unit.
Open toolBrazilian Marketplace Comparator
Enter the product price and category. The tool compares the commissions of Mercado Livre, Shopee, Amazon, Magalu and Carrefour and shows how much you receive net on each.
Open toolBlack Friday Calculator
Shows whether your Black Friday promotion makes a profit. Compares a normal month with the Black Friday scenario (discounted price, volume multiplier and remaining margin), lists scenarios from 10% to 50% off side by side and points out the deepest sustainable discount.
Open toolFree Shipping Calculator
Shows from which order value free shipping pays off. Simulates 7 scenarios (R$ 99 to R$ 299) with higher conversion and average order value, shows the margin left per order and recommends the lowest minimum that keeps at least 70% of your current margin.
Open toolSale Price Calculator
Calculates the sale price from your cost and target margin, already including taxes, card fees and marketplace commission. Shows the markup, the net profit and how much of each sale goes to taxes and fees.
Open toolBreak-Even Calculator
Calculates your business break-even: how many units and how much revenue you need to cover fixed and variable costs. Shows the contribution margin and how much to sell to reach a profit goal.
Open toolMarketplace Fee Calculator
Calculates how much you receive and how much is left per sale on Mercado Livre, Shopee, Amazon and Magalu, with 2026 fees.
Open toolPerformance & ads
Measure ROAS, CPA, CAC, LTV and the break-even point of your paid media campaigns.
ROAS / CPA / ROI Calculator
Calculates ROAS (return on ad spend), CPA, ROI, average order value and break-even ROAS from your margin. For Meta Ads, Google Ads and TikTok Ads campaigns.
Open toolCAC × LTV Calculator
Calculates customer acquisition cost (CAC), lifetime value (LTV), the LTV/CAC ratio and payback in months. Rates the result: above 3x is healthy, between 1x and 3x is acceptable and below 1x is critical.
Open toolAds Break-Even Calculator
Calculates the maximum CPA, maximum CPC and minimum CTR your campaign needs to avoid a loss on Meta Ads, Google Ads and TikTok Ads. Shows three scenarios (conservative, neutral and aggressive) with the implied ROAS of each.
Open toolConversion & CRO
Calculate conversion rate, find funnel bottlenecks, evaluate A/B tests and review your CTAs.
Conversion Rate Calculator
Measures conversion at each funnel stage (visits, cart, checkout and purchase), shows where you lose the most customers and projects revenue if the bottleneck improves by 5 percentage points.
Open toolA/B Test Calculator
Calculates how many visitors each variant of an A/B test needs for a statistically significant result and how long the test should run. Uses your current conversion rate, expected uplift, confidence and statistical power.
Open toolConversion Funnel Visualizer
Enter up to 6 funnel stages (visitors, leads, opportunities, sales) and see the funnel drawn, the conversion rate between stages, the biggest bottleneck and an improvement target.
Open toolCTA Copy Audit
Paste your button text (CTA) and get a 0 to 100 score across six criteria: action verb, length, urgency, specificity, benefit and whether it avoids clichés. Every failed criterion comes with an improvement suggestion.
Open toolSEO & utilities
SEO and tracking utilities: UTM, slug, meta tags, Open Graph preview and color converter.
UTM Builder
Adds utm_source, utm_medium, utm_campaign, utm_term and utm_content to any link and gives you the URL ready to copy. That way you measure each campaign separately in Google Analytics.
Open toolSlug Generator
Turns any title into a URL slug: removes accents, replaces spaces with hyphens and strips invalid characters. The result is ready to paste into your CMS.
Open toolHex / RGB / HSL Color Converter
Converts a color code between Hex, RGB and HSL. Shows the color, ready-to-copy CSS code and an approximate color name. Useful for design and development.
Open toolUTM Decoder
Splits the UTM parameters of any URL: source, medium, campaign, content and term. Flags missing UTMs, invalid formats and extra parameters (gclid, fbclid). Use it to check your own campaign tracking and to read competitors’ links.
Open toolOpen Graph Preview
Simulates how your link appears when shared on Facebook, LinkedIn, Twitter/X and WhatsApp. Shows the previews side by side, checks the title, description and image size and flags issues before you publish. Also generates the meta tags in HTML.
Open toolSEO Meta Tag Generator
Shows how your title and meta description appear on Google, with the cut measured in pixels, the way Google actually truncates them. Generates ready-to-paste HTML and Open Graph tags.
Open toolCNPJ tools
Validate and generate CNPJ numbers in the new alphanumeric format (2026) and the current numeric one, with check-digit calculation. Free, in your browser.
Alphanumeric CNPJ Validator
Validates a CNPJ in the current numeric format or the new alphanumeric one (2026). Checks the check digits step by step, detects the format and splits root, order and DV. Runs 100% in your browser, no sign-up.
Open toolAlphanumeric CNPJ Generator
Generates valid CNPJ numbers for software testing, in the new alphanumeric format (2026) or the current numeric one. Correct check digits, with or without the mask, in bulk and with no sign-up.
Open toolAbout these tools
Why they are free
Batedor is a competitor monitoring platform for e-commerce, sold by subscription. These tools are free and need no sign-up. Use them as often as you like.
To track your competitors' coupons, discounts and launches every day, see what Batedor does.
See Batedor features
Social & content
Engagement, hashtags, bio and profile analysis, best time to post, image sizes, a retail calendar and how much to charge per post.
Character Counter
Counts characters, words and hashtags in your text and shows how much is left within Instagram, Twitter/X, Facebook, LinkedIn, YouTube and bio limits.
Open toolHashtag Generator
Choose your niche and the tool combines popular, mid-range and long-tail hashtags into a set ready to paste. Varying the mix widens reach and avoids repeating the same tags every time.
Open toolEngagement Calculator
Calculates engagement rate ((likes + comments) / followers) and compares it with the average for your follower range. Use the result to negotiate brand partnerships.
Open toolInstagram Bio Analyzer
Paste your profile bio or a competitor's and see it right away: characters (150 limit), CTAs, links, hashtags, emojis, mentions, main keywords and a score. Runs 100% in the browser.
Open toolBrazilian Commercial Calendar
Lists Brazilian e-commerce dates with a countdown: Black Friday, Mother's Day, Father's Day, Children's Day, Valentine's Day, Consumer Day, Back to School, Christmas and more. Filter by category and plan campaigns ahead of time.
Open toolBest Time to Post
Heatmap of the best times to post on Instagram, Facebook, TikTok, YouTube and LinkedIn, by niche (fashion, food, B2B, fitness, beauty, etc.). Based on public engagement studies.
Open toolInstagram Bot Detector
Checks whether a profile has real or bot-inflated engagement. Calculates engagement rate, likes/comments ratio and comments per post, and compares them with the healthy range for the follower count. Gives a score from 0 to 100 and a diagnosis: healthy, attention or risk.
Open toolSocial Media Image Sizes
Visual reference with the official dimensions of every image type on Instagram, Facebook, TikTok, YouTube, LinkedIn and Twitter/X: posts, stories, reels, covers and profile photos. Each card draws the aspect ratio to scale.
Open toolHow Much to Charge per Post
Estimates how much to charge for an Instagram collab from followers, engagement, niche and format. Uses a reference CPM and estimated reach to suggest a price range for posts, stories and reels, and shows the math.
Open toolInstagram Profile Health Report
Gives the profile a health score from 0 to 100 based on engagement, authenticity and bio, and lists the warning signs with what to fix.
Open tool