Free tools / no signup / no email wall

    The calculators we use on client accounts.

    Fourteen web tools and two Chrome extensions. Built around the decisions sellers make every day. Open one, paste your numbers, get an answer.

    Nothing stored
    Every calculation runs in your browser. We never see the numbers you type in.

    Every tool

    Fourteen available, one in the works
    ACOS Calculator
    Calculate your ACOS Targets for your ASINs, with multi-factor analysis and inventory impact.
    Bidding Simulator
    How placement, audience and strategy multipliers change your effective Amazon bid.
    Search Term Impression Share Analyzer
    Impression share at the keyword level: top of search, competitive position, share of voice.
    Lifetime Value Calculator
    Customer lifetime revenue and profit, from your own yearly CSVs and margin inputs.
    N-Gram Analysis
    Multi-gram patterns across your search terms that find high-performing combinations.
    Multi-Channel Marketing Dashboard
    Revenue, spend, MER and TACOS across every channel, with runrate forecasting.
    Forecasting Tool
    Six-month sales forecasting from seasonality and velocity trends, with confidence intervals.
    ROI Calculator
    Marketing return on investment, with cost analysis, profit margins and growth projections.
    Search Term Analyzer
    Find terms to target, investigate or keep watching, with editable rules and a full CSV export.
    Backend Keyword Cleaner
    Deduplicate keyword lists, check UTF-8 bytes and export your backend search terms.
    Deal & Coupon Profit Calculator
    Compare contribution after discounts, fees and returns, and find the required sales uplift.
    Reorder & Stockout Planner
    Plan reorder quantities and identify stockouts that incoming deliveries cannot prevent.
    SQP Opportunity Analyzer
    Review ASIN funnel shares and compare native periods from your Search Query Performance report.
    SKU Profit Report Analyzer
    Join transaction lines, product costs and ad spend, with missing costs clearly marked.
    Bid OptimizerComing soon
    Optimal bids against a target ACOS per ASIN, from historical performance.

    What should I do with my search term report?

    The Search Term Analyzer turns one Sponsored Products seller report into a review list. Adjust your target ACOS and evidence thresholds, protect brand phrases, and download every matching result. It works in your browser without signup and makes no campaign changes.

    Open the Search Term Analyzer →

    Templates

    Excel and Google Sheets, no email
    Amazon Placement Bid & Modifier Planner

    Your effective bid for every placement, a restructure planner that caps product-page bids without touching what you pay at Top of Search, a placement-report checker, and benchmarks from 324,203 branded clicks.

    Download the template →

    Chrome extensions

    Free on the Chrome Web Store
    SYNQ Amazon Tools
    Seller data where you already work: on the listing page and inside Seller Central, without a second tab.
    Install
    Postcode Helper
    One-click postcode switching across 20 Amazon marketplaces, for checking delivery promise and availability.
    Install

    The tools answer one question each. We answer the rest.

    If a calculator told you something you did not like, that is usually the start of a longer conversation. Thirty minutes, your account open, no deck.

    Book a 30-minute auditRead the keynotes instead

    Frequently Asked Questions About Customer Lifetime Value

    Everything you need to know about calculating and optimizing LTV for your e-commerce business

    Frequently Asked Questions About ACOS Targets

    Master ACOS targeting to maximize your Amazon advertising profitability

    Frequently Asked Questions

    Everything you need to know about the Multi-Channel Marketing Dashboard

    Frequently Asked Questions About Amazon PPC ROI

    Essential insights for calculating and optimizing your advertising return on investment

    Frequently Asked Questions About Amazon Impression Share

    Master impression share analysis and competitive positioning for your Amazon PPC campaigns

    Frequently Asked Questions About Amazon Bid Simulation

    Master placement multipliers, audience adjustments, and bidding strategies to control your effective Amazon Sponsored Products bids