Tsui Editor
ZeroA browser-based local file editor. Reads and writes entire folders via the File System Access API. Tabs, tree view, PWA — nothing more. For Chromium-based browsers.
Quiet tools that run entirely in your browser.
No ads, no outbound data — just close the tab when you're done.
// no tracking // no ads // no hidden fetch
Zero ads, zero outbound data. Minimal data stored only in your browser. Blocked at the source via connect-src 'none' or 'self'.
A browser-based local file editor. Reads and writes entire folders via the File System Access API. Tabs, tree view, PWA — nothing more. For Chromium-based browsers.
A quiet, browser-based scratchpad. One window for one file's worth of text. No tabs, no folder management — open another window with the ⧉ button when you need to (each window has its own buffer; UI settings sync across windows in real time). No outbound traffic.
A cyberpunk-style digital clock with satisfying neon glow and 7-segment display. 7 themes (Green / Amber / Red / Pink / Cyber / Auto / Dark), FX / BG effects, PiP, Wake Lock, PWA-ready.
A QR code generator that never lets your input leave your device. Supports TEXT / URL / Wi-Fi / Mail / Tel / SMS / vCard / Geo, with SVG / PNG export and clipboard copy. PWA-ready.
A simple daily routine checker. Data is stored only in your browser (localStorage), never sent anywhere. A quiet companion for building habits.
A casual web whiteboard that keeps your strokes on-device. PWA-ready.
A local password manager that runs entirely in your browser. No outbound traffic, no accounts, no sync.
A browser-based local file editor with a shell-like + vi/Vim-like interface. No outbound traffic, no accounts, no sync.
A browser-based 2D pixel-art converter. No network, no accounts, no sync, no ads, free. You can also convert from your camera. The small-window display mode is fun too.
An AI cockpit "piloted by humans." Building it, maybe?
Building the next tool.
Only the network calls strictly required for functionality. Each tool discloses its endpoints and what flows in and out. That's Tsui+.
Shows your public IP and related info (ASN, city, timezone, connection details, and more). Fetched only for display — never stored or analyzed. Includes a simple speed test. Available in Japanese and English.
Tools that aren't trying to be useful — they just exist. Ads and tracking remain at zero.
Particles of light drifting in deep darkness. They gather, scatter, and spin on whim, sometimes lining up into letters or shapes. A small universe to keep in the corner of your screen.
A pond where vaguely-defined creatures swim. They breed, fight, and sometimes die from epidemics. There is no point. Just watch — or release some and observe.