⌘K
We use cookies to improve your experience
We use essential cookies to make our site work. With your consent, we may also use non-essential cookies to improve user experience.
Two marine & boating tools, side-by-side. See which fits your task.
Marine & Boating
Reference for nautical chart symbols: depths, hazards, aids, and shoreline features.
Open Chart SymbolsMarine & Boating
Calculate effective boat speed accounting for current speed and direction.
Open Current SpdYour specific task is reference for nautical chart symbols: depths, hazards, aids, and shoreline features. Open the page, drop your input, get the result — typically under a second.
Your goal is calculate effective boat speed accounting for current speed and direction. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Chart Symbols focuses on reference for nautical chart symbols: depths, hazards, aids, and shoreline features; Current Spd focuses on calculate effective boat speed accounting for current speed and direction. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Chart Symbols and Current Spd work without signup. We only ask for an email if you decide to subscribe to a paid plan.