SKSolveKit

Tool directory

All tools

Browse every SolveKit utility. Each tool solves one real problem quickly, clearly, and without requiring an account.

Typing & keyboard

Typing Test Studio

Measure speed, accuracy and consistency, turn your own mistakes into a targeted drill, and check every key on the keyboard. Runs in the browser, nothing is uploaded.

Open the typing test

Etsy Payment Account Reconciliation

Upload an Etsy monthly statement to separate sales, fees, refunds, marketing, unavailable funds, and deposits without treating a bank transfer as profit.

Finance

Shipping Cost Calculator

Estimate shipping cost from base price, weight, distance, and surcharges.

Finance

Markup Calculator

Calculate selling price, markup, and margin from product cost.

Finance

Cost per Click Calculator

Calculate CPC, clicks, spend, conversion rate, and cost per acquisition.

Finance

Customer Lifetime Value Calculator

Estimate customer value from order size, frequency, margin, and retention.

Finance

CSV & Excel Toolkit

Clean, merge, split, filter, sort and convert CSV or Excel files privately in your browser — files never leave your device.

Image & Data

Shopify Price & Stock Update

Needs two files: your Shopify products export and the supplier's CSV or XLSX. Download a safe update file — prices and stock only, nothing else touched.

Image & Data

Update Shopify Prices from a CSV

Needs two files: your Shopify products export and the supplier's CSV or XLSX price list. Applies margin and rounding rules, and shows every change before you import.

Image & Data

Update Shopify Inventory from a Supplier File

Needs two files: your Shopify products export and the supplier's CSV or XLSX stock sheet. Download a safe inventory update and stop selling what your supplier ran out of.

Image & Data

WooCommerce Price & Stock Update

Needs two files: your WooCommerce products export and the supplier's CSV or XLSX. Review price and stock changes and download a minimum update CSV for existing products only.

Image & Data

Update WooCommerce Prices from a Supplier CSV

Needs two files: your WooCommerce products export and the supplier's CSV or XLSX. Turns supplier costs into regular prices using markup, target margin, floors, review limits and safe rounding.

Image & Data

Update WooCommerce Inventory from a Supplier File

Needs two files: your WooCommerce products export and the supplier's CSV or XLSX stock sheet. Matches by ID or SKU, applies a safety buffer and cap, and updates stock only.

Image & Data

Remove Duplicates from CSV

Delete duplicate rows from a CSV — whole rows or by key columns — with a count of what was removed.

Image & Data

Merge CSV Files

Combine several CSV files into one, matching columns by header name and filling gaps automatically.

Image & Data

Split CSV File

Split a large CSV into several files by row count, approximate size, or the value of a column.

Image & Data

CSV to Excel Converter

Convert a CSV file into a clean Excel workbook with typed number cells, without uploading it anywhere.

Image & Data

Excel to CSV Converter

Convert the first sheet of an Excel workbook to CSV with your choice of delimiter.

Image & Data

Clean CSV Data

Trim spaces, collapse double spaces and remove stray line breaks from every cell of a CSV.

Image & Data

Filter CSV Rows

Keep only the rows that match a condition on any column: contains, equals, greater than, empty and more.

Image & Data

Remove Empty Rows from CSV

Delete completely empty rows from a CSV in one pass, keeping everything else intact.

Image & Data

Select CSV Columns

Keep, delete or reorder the columns of a CSV and download the slimmed-down file.

Image & Data

Sort CSV Rows

Sort a CSV by one or two columns, ascending or descending, with numeric-aware ordering.

Image & Data

Compress Image to 20 KB

Reduce JPG, PNG, or WebP images to under 20 KB for avatars, forum signatures and legacy upload forms — in your browser.

Image & Data

Compress Image to 50 KB

Shrink photos to under 50 KB for classified ads, job applications and strict upload forms — batches included, fully local.

Image & Data