Free seller tools
Free tools for Etsy and print-on-demand sellers
Small, focused tools for the questions that stall a shop.
Built by SecondStream for Etsy and print-on-demand sellers, each tool answers one specific question that comes up while you run a shop. Use them as often as you like, and the file tools run entirely on your own computer.
Price it right
Know your numbers before you list, so every price protects your margin.
Etsy Fee Calculator
See exactly what Etsy takes from each sale, the listing, transaction, processing and Offsite Ads fees, and what lands in your pocket.
Open the toolKDP Royalty Calculator
Work out your Amazon KDP printing cost and royalty per book, see whether your price lands in the 50% or 60% tier, and get your spine width.
Open the toolPrepare your files
Get artwork print ready, the right size, the right tag, seamless where it needs to be.
The DPI Changer and Pattern Proofer run fully in your browser. Your files never leave your computer.
DPI Calculator
Find the exact pixel dimensions a print size needs at 300 DPI, with ready presets for photos, posters and wall art.
Open the toolDPI Changer
Set a PNG or JPG to 300 DPI so the file reads right for digital download buyers who inspect its properties. It relabels the file without re-encoding your pixels.
Open the toolPattern Proofer
Check a repeating tile for visible seams. See it in true repeat and test half-drop, brick and mirror layouts before you publish.
Open the toolSet up your shop
Start with a name buyers remember and Etsy will actually let you use.
SecondStream
The free tools are the start.
The courses are the system.