Swim Log
A private swim log in one HTML file on your machine: no account, no cloud, no server to talk to.
This is not a screenshot. It's the real tool, running right here: go on, put something in it.
Forged into a knife, this tool ages with use: the blades you reach for wear soft, entries you tend keep their bloom, and the years travel with the file through every reforge.
Swimmers count laps the whole way and forget the number in the changing room. The Swim Log keeps each swim — date, laps, which pool or open water, the temperature in degrees, and notes for the day the lane was gloriously empty. Whether you are a lunchtime lane swimmer or the sort who breaks ice for fun, it holds the record.
What it keeps
- Datedate
- Lapsnumber
- Pool / watershort text
- Water temp (°C)number
- Notesnotes
Standing facts
- One HTML file. Opens in any modern browser, on any operating system.
- No account. No login, no sign-up, no e-mail wall.
- No cloud. Nothing leaves your browser: no server, no telemetry, no analytics.
- Yours forever. The file keeps working whether or not Offline.Ltd does.
- Ages with use. Entries you tend keep their bloom; the years travel with the file through every reforge.
In ten years
Whatever you put in (Date, Laps, Pool / water and Water temp (°C)) stays inside the file itself. There is no account to lapse, no plan to be sunset, no migration e-mail with a deadline in it. A decade of swim log entries is a decade of your own handwriting, kept in a document you can back up like any other.
If Offline.Ltd closes tomorrow, nothing on your machine notices. That isn't a marketing promise; it's simply what a file is.
Getting your data out
Export to CSV from inside the tool and open it in anything: a spreadsheet, another app, a text editor. Or keep the HTML file: it is plain, readable, and inspectable; you can open it in a text editor and see your own rows sitting there. No export queue, no "we'll e-mail you a link within 48 hours", no format that only one vendor can read.
Copy the file to a USB stick, a NAS, a folder your devices already sync. It runs on Windows, macOS, Linux, Android and iOS, online or off, because a browser is the only thing it ever needed.
Questions people ask
Can I log open water swims as well as pool sessions?
Yes — the pool or water field takes anything from the local leisure centre to a particular bend in the river, and the water temperature field is there for those who insist on knowing exactly how cold they were.
Does the Swim Log store my data online?
It does not. The log is a single HTML file that runs offline in your browser, with no account and no server — your swims never leave the page, and the file is yours forever.
Who is a simple swim log for?
Anyone who swims regularly and wants a record without a subscription or a smartwatch. If your training plan fits on a postcard, this fits your training plan.
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Fits your knife at weight 1. Nothing here is final, Knife follows Life. Reforging within your tier is free, forever. Add it, drop it, reforge it later; the file stays yours either way.