Free tools for online sellers

Smart tools for
ecommerce sellers.

Validate product data, prepare marketplace assets, and understand your real profit — without complicated software.

No signup · Browser-side processing · Privacy first

LESS SPREADSHEET GUESSWORK01 / 05
Your file. Your browser. Your next step.

TRUSTED & PRIVATE

Your product data stays local where supported.

BROWSER-BASED

No installation. Just open a tool and get to work.

NO SIGNUP

Use the current free tools immediately.

BUILT FOR SELLERS

Focused on real ecommerce workflows.

A small toolkit. A clearer workday.

Less busywork.
More progress.

Start with product data.
See what’s taking shape next.

LivePRODUCT DATA

Merchant CSV Doctor

Check Shopify product CSVs before import.

Open free tool: Merchant CSV Doctor

Illustrative sample

Coming soonPRODUCT DATA

Supplier CSV → Shopify

Turn supplier columns into a store-ready format.

View planned tool: Supplier CSV → Shopify

Concept preview · not available yet

Coming soonMARKETPLACE TOOLS

Google Merchant Feed Doctor

Find the issues holding your product feed back.

View planned tool: Google Merchant Feed Doctor

Concept preview · not available yet

Coming soonSELLER PROFIT

Seller Profit Lab

See what stays after the costs of every sale.

View planned tool: Seller Profit Lab

Concept preview · not available yet

Merchant CSV Doctor

A cleaner CSV.
Four simple steps.

Review the details.
Keep control of every change.

  1. 01

    Upload CSV

    Choose a file from your device.

  2. 02

    Scan issues

    See what needs your attention.

  3. 03

    Review safe fixes

    Approve only safe formatting changes.

  4. 04

    Download cleaner CSV

    Keep your file and a separate report.

CSV data stays in your browser. No upload to our servers.

Check your CSV

Built one useful tool at a time

More seller tools
are coming.

We’re building small tools around the repetitive work ecommerce sellers deal with every day.

Make your next import a little easier.

Start with a healthier product file.

Try Merchant CSV Doctor