Free Tools for Online Shops
Pick a tool based on your current task, enter data, and see results instantly.
Profit Calculator — Shopee / Lazada / TikTok
Know your net profit before setting prices. Separate real fees per platform and check if your current price is enough.
Discount Profit Calculator
Check how much profit a promotion leaves you, how many more units to break even, and the maximum discount you should offer.
ROI Calculator
See the percentage return from your investment — ads, equipment, or campaigns — and decide whether to continue.
Invoice &Quotation Generator
Create PDF documents ready to send. Customize shop details, product list, and document format in one page.
Tax Calculator forSellers & Freelancers
Estimate income tax, compare flat-rate vs actual deductions, and preview before filing.
Break-Even Calculator
Calculate the minimum units and revenue needed to break even, plus estimated payback time.
Food Cost Calculator
Tally ingredient costs per dish, analyze food cost %, and estimate profit in one place.
Shipping Cost Comparison
Compare shipping rates across providers to find the best value for your box size and parcel weight.
PDF to JPG/PNG Converter
Convert PDF pages into JPG or PNG images in your browser. Multi-page PDFs can be downloaded as a ZIP file.
Image Converter, Resizer & Compressor
Convert images to JPG, PNG, or WebP, resize product photos, and prepare 1:1 images for marketplaces.
Background Remover Beta
Remove simple solid backgrounds and download a transparent PNG.
Cash Flow Calculator
Estimate cash in, cash out, tax reserve, and ending cash.
Marketplace Fee Comparison
Compare estimated profit across Shopee, Lazada, TikTok Shop, and direct sales.
Simple Receipt Maker
Create a quick receipt for chat orders, transfers, and small shop sales.