naavra
Book a demoStart free
This page will be machine-translated into Chinese (Traditional) in production. For now it is in English. Languages translated today: Chinese (Simplified), Japanese, Korean, Hindi, Arabic, Spanish, Portuguese (Brazil), French, German, Greek, Indonesian, Tagalog (Filipino).

Free tools

Free tools for people at sea and ashore

Eleven tools, free to use on the open web, with no account needed. Each one does a job a colleague does for you every day inside Naavra, the maritime autopilot. See the full answer on screen; keep it, share it or watch it with an email address.

Try the DA checkerProducts you can start today
Works right here

DA checker

Paste a disbursement account. See which lines to query, and on what basis.

For operators and post-fixture desks · 3 accounts a day on this device

Open
Works right here

CII and EU ETS calculators

Your carbon intensity rating and your EU ETS allowance cost, with every factor named.

For commercial desks, operators and superintendents · 100 runs a day

Open
Works right here

Dredge production calculator

Cubic metres per shift and fuel per cubic metre, with every assumption shown.

For dredging superintendents and estimators · 100 runs a day

Open
Works right here

Crew wallet and sea time

Your papers for life, and your sea time added up for the next licence.

For seafarers · Free for seafarers, forever

Open

Voice-to-report

Say what is broken, in your language. Get a clean English defect report.

For officers and ratings on board · 5 notes a day on this device, 3 minutes each

Open

Chat with a manual

Upload an equipment manual and ask it questions. Every answer cites its page.

For chief and second engineers · 1 manual a day, 20 questions

Open

Ship's certificate link

One link that answers every agent, terminal and inspector, always current.

For masters and superintendents · Free for your first vessel

Open

Nameplate to spares

Photograph a nameplate. Get the maker, the model and where its spares come from.

For chief engineers and purchasers · 10 photos a day

Open

Ready Score self-check

See the gaps a buyer, a charterer or a Port State officer would see, before they do.

For owners and superintendents · 5 checks a day

Open

Port State detention-risk check

How Paris MoU, Tokyo MoU and the US Coast Guard are likely to see your ship, and what they tend to look at.

For masters and superintendents · 20 checks a day

Open

SIRE 2.0 and OVID practice

Practise the questions for your role, chapter by chapter, and mark yourself.

For officers on tankers and offshore vessels · 50 answers a day

Open

Our promise

What happens to what you give a free tool

Voice notesDeleted 15 minutes after they are read
Files you uploadDeleted 1 hour after reading
What you typeKept 24 hours with personal data removed, so you can claim your result
Your resultKept 7 days on this device unless you keep it
Training a model on any of itNever

No puzzles to prove you are human. Fair-use limits and a small background check in your browser keep the tools free for everyone.

See your own fleet in Naavra

A 30-minute walk-through on your ships, your ports and your people. We bring the synthetic fleet; you bring the questions.

Book a demoTry a free tool