Merge PDFs, resize images and calculate seller profit for free. Need something built for your business? Explore our website, automation and software services.
Merge documents, make images lighter and get files ready to send. Free to use, with no signup. Your files stay on your device.
Combine two or more PDFs in the order you choose. Your files stay on your device, and no signup is needed.
Open toolKeep only the pages you need in a new PDF. Enter page numbers or ranges, then download one file containing that selection.
Open toolCombine image files into one easy-to-share PDF. Choose image order and page size; each image becomes one page.
Open toolReduce image file size for websites, email and forms. Choose quality and format, then compare the actual result before downloading.
Open toolSet the pixel width or height you need for a website, product listing or social post. Preserve proportions or choose exact dimensions.
Open toolConvert between JPEG, PNG and WebP for different file-size and transparency needs. Processing stays in your browser.
Open toolCheck Amazon US FBA profit and inventory fees before you set a price or send stock.
Enter your selling price, product details and costs. Estimate Amazon fees, profit, margin and the price needed to break even.
Calculate Amazon profit
Estimate shipment placement charges or total a quote from Seller Central.
Check placement fees
Estimate charges using your historical days of supply and product details.
Check inventory feesWork out what an order earns after fees and costs. Check how ads, discounts and free shipping affect your profit.
Add your item price, product cost and shipping. See the fees, estimated profit and margin for that order.
Calculate Etsy feesCheck whether the sales from your ads cover the ad spend and selling costs.
Check ad profit
See how a sale discount changes the profit left from your order.
Check a discountFind a listing price that covers shipping and your target margin.
Calculate a listing priceCheck the fees on a sale, find the lowest offer that meets your profit target, or work out an advertising limit.
Estimate final value fees for an eBay.com order using its category and sale details.
Calculate eBay feesFind the lowest offer you can accept while keeping your target profit.
Find my minimum offerSee the General campaign ad rate where your sale stops making a profit.
Check advertising limitCalculate spacing and material amounts for your home project before you start measuring or buying supplies.
Enter your wall width, frame width and number of frames. Get the gaps and center marks for a balanced row.
Calculate picture spacingUse your wall width and batten width to calculate equal spaces.
Calculate wall spacing
Calculate fabric length in metres or yards from your curtain measurements.
Calculate fabric lengthExplore a few ways we can help, or compare all services to find the right fit.
A clear, fast website your customers can use.
Build a responsive business website or landing page that explains your offer and makes the next step easy.
Improve the store you already have.
Review a live Shopify store's speed, navigation, product pages and checkout journey, then implement the agreed improvements.
Connect the steps your team repeats every day.
Connect apps and automate predictable handoffs, approvals and follow-ups with clear rules and exception handling.
Software that fits your day-to-day operations.
Create an internal application around a specific business process, rather than forcing the process into a generic tool.
Short guides for working with PDFs and images, understanding seller profit and planning your next website.
E-commerce guides
Plan catalog data, navigation, payments, delivery and operational checks before launching or rebuilding an online store.
Software & app guides
Compare your core workflow, integration limits, data ownership and ongoing support before choosing a custom business application.
AI assistant guides
Match an assistant to the task, knowledge and permissions it needs, with evaluations, human handoff and usage limits.
Yes. You can use the public calculators without an account or payment. Each tool explains the inputs, assumptions and limits of its estimates.
There are tools for Amazon, Etsy, eBay, Mercari and Depop. Supported countries and fee rules vary by tool, so check the details on the calculator page.
Yes. Send your requirements through the contact page. Include what you need built, who will use it, and any budget or delivery date you have.
No. Only the public online tools are free. Website, automation, software and marketing services are paid. The quote for an accepted project sets out the scope, price, delivery and support.
Tell us which service you need, the problem you want to solve and any budget or delivery date.
Send project details