Everything in the catalog

Chinese-language English word dictation tool organized by textbook unit, with keyboard and paper dictation modes.

Interactive breathing exercise that paces inhales and exhales to help manage stress.

Chinese-language meal picker that asks about taste preferences and the time of day, then suggests what to eat next.

Beginner astronomy guide that suggests what is visible tonight based on your experience level and viewing location.

Small PWA for keeping a checklist of items to pack before a trip.

Guitar practice page that maps pentatonic and modal scales, triads and chord progressions onto a fretboard.

Tracks books with status, progress, pages and tags, with sorting, dark mode and export and import.

PWA meditation timer offering interval bells, chimes and an optional soundtrack.

Switches between treadmill mph settings and min/mile pace, with an incline adjustment option.

Shows which plates to load on a barbell and totals the weight with a drawn diagram.

Attaches an audio track to a video file.

Generates an arithmetic sequence from a start value, step and length.

Converts an audio file from one format to another in the browser.

Converts between bytes, kilobytes, megabytes and larger data units.

Replaces chosen words in text with a mask character.

Speeds up or slows down an audio file by a chosen factor, processing it locally in the browser.

Swaps one colour in an image for another.

Swaps the delimiter in a CSV file, for example from commas to semicolons.

Speeds up or slows down an animated GIF.

Adjusts the transparency level of an image.

Speeds up or slows down a video.

Shrinks one or many images by setting a maximum file size and quality, then downloads them as a ZIP.

Reduces the size of a PDF file in your browser.

Reduces the file size of PNG images.