Share “I’m here” for one hour — map, note, optional photo via QR/URL. They can open Apple or Google Maps.
Apps
First: apps that connect people with a place, a message, or dates. Then data search and browser tools.
Communication
A small QR message. Finger-reveal reading, password-protected, one hour after opening.
Align one day or consecutive nights. Share candidate dates by URL — no sign-up.
Data search
My Research - Tokyo Open Data APIBest on desktop
Search, run, and visualize Tokyo Open Data APIs — JSON, table, map, and chart.
Tools
My CSVBest on desktop
Edit CSV as a table — UTF-8 / Shift-JIS. Everything stays in your browser.
My TSVBest on desktop
Edit TSV as a table — UTF-8 / Shift-JIS. Everything stays in your browser.
My JSONBest on desktop
Format and validate JSON, then edit typed parameters. Everything stays in your browser.
My SQL GrammarBest on desktop
Format and validate SQL for MySQL, PostgreSQL, and more. Everything stays in your browser.
My BarcodeBest on desktop
Generate barcodes in bulk — CODE128, EAN, and more. PDF export. Everything stays in your browser.
My QR CodeBest on desktop
Generate QR codes in bulk — error correction and PDF export. Everything stays in your browser.