The toolbox
Thirteen free, browser-based tools for Etsy, Amazon and print-on-demand sellers. No signup, no uploads — every tool runs on your device. Start with the Etsy & Amazon fee calculator, our flagship.
Etsy & Amazon Fee Calculator
Enter cost, price and shipping to see real net profit, margin and your break-even price.
Sticker Border Maker
Add a clean die-cut white outline around any transparent PNG, ready for sticker printing.
POD Profit Calculator
Printify, Printful and Gelato margins — net profit, break-even and markup, with editable presets.
Amazon Listing Limit Checker
Count Amazon title, bullet and 250-byte backend keyword limits — characters, bytes and mobile pixels.
Etsy & Amazon Resizer
Batch-resize, pad and print-check listings to exact Etsy, Amazon and eBay dimensions in one click.
Etsy Title & Tag Counter
Check your 140-character title and all 13 tags for length, duplicates, empty slots and overflow.
Seamless Pattern Maker
Turn any tile into a perfectly repeating, edge-matched pattern for fabric, wrap and POD products.
Color Code Converter
Convert HEX, RGB, HSL and CMYK instantly, plus WCAG contrast, shade ramps and schemes to copy.
Social Media Crop Tool
Crop to exact Instagram, Pinterest, TikTok and YouTube sizes with rule-of-thirds guides.
Product Shadow Generator
Drop a realistic shadow under a cut-out product photo — tune opacity, blur, angle and background.
Amazon FBA Barcode Generator
Render FNSKU, UPC, EAN and Code128 labels to PNG or SVG with checksum and Avery sizes.
Cricut SVG to PNG Converter
Rasterize SVG cut files to high-resolution transparent PNG for Cricut, Silhouette and DTF.
Image to ASCII Art
Convert any photo into copy-ready ASCII text art — tune width, character set and color.