No signup. No account. No file ever leaves your device — every tool runs client-side in your browser.
| Tool | What it answers |
|---|---|
| Break-Even Point Calculator | How many units must I sell to cover costs? |
| Service Business Break-Even | Same, for billable-hour businesses |
| Coffee Shop Break-Even | Cups per day to break even |
| Restaurant Break-Even | Covers per night to break even |
| Food Truck Break-Even | Service days needed to clear costs |
| Landscaping Break-Even | Jobs per month to break even |
| SEO ROI Calculator | Is organic spend paying back? |
| PPC ROI Calculator | Return on ad spend, by channel |
| Loan EMI Calculator | Monthly payment + full amortisation |
| Construction Cost Estimator | Materials + labour + margin per project |
| Free Invoice Generator | Build, print or PDF an invoice — nothing uploaded |
| Tool | What it does |
|---|---|
| Safe QR Code Scanner | Checks a QR link against Google Safe Browsing before you open it |
| WiFi QR Code Decoder | Recover SSID + password from a WiFi QR image — handles inverted (white-on-black) codes |
| WiFi QR Code Generator | Share guest WiFi without reading the password aloud |
| Scan QR from Screenshot | Decode a QR you can't point a camera at |
| Bulk QR from Excel List | Upload a column, download every code |
| QR Code for PDF | Link a printed page to a document |
| LinkedIn QR Generator | Profile QR for badges and business cards |
| Transparent QR Generator | Transparent-background PNG for overlays |
| QR for Phone Number / SMS | Tap-to-call and tap-to-text codes |
| QR Codes for Labels | Print-ready codes for asset and inventory tags |
The math behind the calculators is published as MIT-licensed reference snippets, so you can check our work or drop a formula into your own spreadsheet or app:
→ business-calculator-formulas
Built and maintained at toolsque.com · Tools are free to use, no attribution required.