Tools for online sellers
Fees, margins, pricing, images, descriptions and document utilities for marketplace sellers.
This collection groups operational tools around a real workflow. Use the browser-first utilities freely; any protected server processing shows its allowance or credit cost before it begins.
Recommended for you
Based on recent tools used on this device.
Agency Rate Calculator
Estimate a sustainable client rate from staff cost, overhead and target margin.
Text ToolsBinary to Text Converter
Convert space-separated binary bytes back into UTF-8 text.
Text ToolsCase Converter
Convert text to upper case, lower case, title case, sentence case or alternating case.
Text ToolsCharacter Counter
Count characters with and without spaces, words and lines in text.
Business ToolsCommission Calculator
Calculate commission, net proceeds and total sales from a configurable rate.
Business ToolsConversion Rate Calculator
Calculate conversion rate from conversions and total visitors or leads.
Business ToolsCustomer Acquisition Cost Calculator
Calculate CAC from sales and marketing cost and customers acquired.
Business ToolsCustomer Lifetime Value Calculator
Estimate customer lifetime value from order value, frequency, margin and lifetime.
Business ToolsDay Rate Calculator
Convert annual income goals and working days into a target day rate.
Business ToolsEmployee Cost Calculator
Estimate total employment cost from salary, employer charges and benefits.
Text ToolsFind and Replace Text
Find and replace matching text with optional case sensitivity.
Business ToolsFreelance Rate Calculator
Estimate an hourly freelance rate from annual income, costs and billable hours.
Business ToolsHourly and Day Rate Converter
Convert between hourly and day rates using configurable working hours.
Image ToolsImage Compressor
Compress JPG, PNG and WEBP images online to reduce file size while keeping useful image quality.
Image ToolsImage Resizer
Resize JPG, PNG and WEBP images online by dimensions for websites, social media, documents and everyday use.
Business ToolsInvoice Generator
Create a clean printable invoice from customer, line-item and payment details.
Image ToolsJPG to PNG Converter
Convert JPG images to PNG online when you need a PNG image format for editing, transparency or web use.
Image ToolsJPG to WEBP Converter
Convert JPG images to WEBP online for modern websites, smaller image files and faster page delivery.
Business ToolsLate Payment Interest Calculator
Estimate simple late-payment interest from amount, annual rate and days overdue.
Sales ToolsLead Value Calculator
Estimate expected lead value from close rate, deal value and gross margin.
Text ToolsLetter Frequency Counter
Count letter and character frequency in a block of text.
Text ToolsList to Text Converter
Join text lines into a comma-separated or custom-delimited list.
Text ToolsLowercase Converter
Convert letters in text to lowercase instantly in your browser.
Business ToolsMarketplace Fee Calculator
Estimate marketplace fees and net proceeds from configurable rates.