Open business tools
A set of free utilities for fast document work. No sign-up — everything runs in your browser.
Invoice Generator
Instant professional invoices for sole proprietors and LLCs. No registration, no watermarks, export to PDF in one click.
Open →Image Optimizer (WebP)
Compress JPG and PNG to WebP format right in your browser. Speed up your site without losing visual quality.
Open →UTM Builder
Quick link builder for ad performance tracking. Auto-generate and copy in one click.
Open →UTM Decoder
Quick parsing of long URLs. Decode all campaign parameters and get a clean URL.
Open →Email Signature Generator
Create professional HTML signatures for corporate email. Works with Outlook, Gmail, and Yandex.
Open →ROI Calculator
Estimate ROI of buying equipment for rental. Breakeven and annual profit calculation.
Open →QR Code Generator
Create branded QR codes with your logo and colors. Export to PNG and SVG.
Open →Margin & Markup Calculator
Clear net profit calculation. See exact markup and margin for your products or services.
Open →Marketing Metrics Calculator
Unit economics forecast: budget, CPC, CR1, CR2, average order, margin, retention. Profit and ROMI forecast.
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