tskr/app — 12 tools, on-device
Everything runs on your device — nothing leaves it. Resume below, or browse the full set from the rail.
Hover any tool card and hit the pin to keep it here.
Download a model to power the AI tools
Set a countdown and get notified when time is up.
Measure elapsed time with laps at your fingertips.
See your screen resolution, viewport size, and pixel density live.
Add your options as chips, spin, and let fate decide.
Calculate duration between dates, or find a date by adding time.
Batch resize images to fit within max dimensions — entirely in your browser.
Convert Excel, CSV, or ODS to JSON, Markdown, CSV, TSV, or plain text — in your browser.
Generate strong passwords, passphrases, and PINs instantly — all in your browser.
Generate styled QR codes for URLs, text, email, or Wi-Fi — download as PNG, SVG, or JPEG.
Generate a complete favicon package — ICO, SVG, PNG sizes, and webmanifest — entirely in your browser.
Summarize text with a private AI model that runs entirely on your device — nothing is sent to a server.
Ask questions about an image with a private multimodal AI model that runs entirely on your device.