Tool status
15 tools · 14 ready · 1 partial · 0 coming soon
Ready: everything described works and is tested. Partial: works with documented limits. Coming soon: not available yet.
Finance & investing
| Tool | Status | Notes |
|---|---|---|
| Gold price calculator | Ready | Gold API (gold-api.com) |
| Currency converter | Ready | Frankfurter |
| Compound interest calculator | Ready | - |
| Mortgage calculator (US) | Ready | - |
Tax & property
| Tool | Status | Notes |
|---|---|---|
| Sales tax calculator (US) | Ready | California CDTFA · Texas Comptroller · Florida Department of Revenue |
Pay & employment
| Tool | Status | Notes |
|---|---|---|
| Paycheck calculator (US) | Partial | Annual estimate, not Form W-4 withholding: federal brackets, standard deduction, Social Security and Medicare are the official 2026 figures; tax credits, itemized deductions and per-state rules are not included (state tax is a flat rate you enter). · IRS · IRS · IRS |
Everyday & dates
| Tool | Status | Notes |
|---|---|---|
| Date calculator | Ready | - |
| Tip calculator & bill splitter | Ready | - |
Health & fitness
| Tool | Status | Notes |
|---|---|---|
| BMI calculator | Ready | - |
Math & science
| Tool | Status | Notes |
|---|---|---|
| Percentage calculator | Ready | - |
| Unit converter | Ready | - |
Text & encoding
| Tool | Status | Notes |
|---|---|---|
| Base64 encoder & decoder | Ready | - |
| URL encoder & decoder | Ready | - |
Developer tools
| Tool | Status | Notes |
|---|---|---|
| UUID generator | Ready | - |
| JSON formatter & validator | Ready | - |