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🖥️ App interface in 27 languages: 🇪🇺 all EU languages · 🇳🇴 · 🇯🇵
Idea 100% human · Code 95% LLM
A year-at-a-glance grid calendar — “Year in Pixels”.
Columns = months (J–D), rows = days 1–31. You fill in the cells — a classic “Year in Pixels”. A coloured stroke marks every Sunday; the stepped bottom edge follows the real days of each month. Optionally shade public holidays and school holidays. Output is true-to-scale in millimetres (5 × 5 mm cells).
Personal hobby project. Provided as-is, with no warranties or support guarantees.
Pixel Year is a blank “Year in Pixels” grid — one small box per day — that you fill in by hand (or pre-shade with public holidays and school vacations). One sheet shows the whole year at a glance. Popular uses:
- Mood tracker — colour each day by how it felt; watch the year take shape.
- Habit tracker — mark every day you ran, meditated, practised, stayed sober …
- Travel / “where was I” log — shade days by place or trip.
- Holiday & leave planner — see all your days off at once; with a second overlay, compare two countries/people (cross-border life, family abroad).
- Streaks & goals — reading, workouts, no-spend days, screen-free days.
- Health / cycle / sleep log — one colour per state.
Print it at 100 % to glue into a notebook or pin on the wall — or import the SVG/PDF into a drawing / handwriting app on your tablet and fill it in with a stylus.
- Download
pixel-year.html. - Double-click to open it in any browser — Windows, macOS, Linux. No installation.
- Choose the year and options, then download the SVG or the PDF (three calendars on one A4-landscape sheet).
The rest is hopefully self-explanatory.
Everything runs offline in the browser. Only school-holiday data is fetched online (OpenHolidays API).
- Layouts: pixel grid (portrait / landscape) and month matrix (3×4 / 4×3, real weekly mini-calendars).
- Grid calendar: columns = months, rows = days 1–31; the stepped bottom contour follows the valid days of each month (missing days like 30 Feb stay open).
- Sunday marks (or any weekday) on the lower cell edge.
- Week start Monday or Sunday (defaults to the country's convention); Sundays shown in red.
- Option to hide the year.
- Public holidays (red) and school holidays (yellow) for 130+ countries worldwide (OpenHolidays & Nager.Date; regions and school holidays where available).
- Output: a single SVG, or a true-to-scale A4-landscape PDF with three calendars side by side — generated directly in the browser, no print dialog, no extra software.
- True-to-scale 5 mm cells throughout; landscape calendars stack on A4, a single month matrix prints on A5/A6.
- Customisable: cell size, colours (Sunday / holiday / vacation) and all line widths, with live preview.
Print at 100 % / “Actual size” (not “fit to page”), otherwise the 5 mm grid no longer matches the ruler.
A Python CLI produced the same calendars from the command line (batch, scripting).
It now lives in legacy/pixel_year.py and is no longer
maintained — the HTML tool is the single source of truth. The catalogue/validation
helper tools/build_catalog.py is still in use.
Pick language, country and region independently — e.g. a Hamburg calendar with Japanese labels. Month/day names are localised in six UI languages (EN, DE, ES, FR, IT, JA); the marked weekday follows each country’s convention, and a Japanese era hint (和暦) is shown in Japanese.
Holiday and school-holiday data comes from the OpenHolidays and Nager.Date APIs. Where a country or region has no data — or you'd rather use your own — choose # Custom in the country list and paste your own dates (single days or ranges).
Two countries in one calendar — for cross-border life or holiday planning, overlay a second country/region. Days that overlap are split diagonally:
Pick a layout under the Layout menu:
- Pixel grid — the classic “Year in Pixels”: months as columns, days 1–31 as rows. Available portrait or landscape (transposed: days as columns, months as rows; prints stacked on A4 portrait).
- Month matrix (3×4 or 4×3) — twelve real weekly mini-calendars, a printable year-at-a-glance. A single year prints on the smallest page that fits (A5, even A6 at small cell sizes); two years share one A4.
GNU General Public License v3.0 — see LICENSE.
Built human-in-the-loop with an LLM (see the badge at the top). It's very doable on a standard plan with modest means — no token wastage, just targeted, well-scoped prompts when you know what you want. No big-tech token-burning required. The biggest indulgence was the 27-language UI pack — but that one was worth it. ;)
Donations are voluntary and solely support the project. They do not influence the prioritisation of bugs, feature requests or support enquiries.
