tskr/app — 15 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 display — resolution, pixel density, color gamut, and refresh rate.
See your browser, engine, hardware, and accessibility preferences.
See your viewport size, active breakpoint, and safe areas — live as you resize.
Pick winners, shuffle the order, or split a list into groups.
Find how long is between two dates — days, weeks, business days.
Add or subtract time from a date to find another date.
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.