browser-kitty

Scan paper documents, correct perspective, arrange pages, and save a submission-ready PDF.

Build visual PDF-processing workflows with reusable steps, previews, and local export.

Draw characters in a browser and turn them into a TrueType handwriting font.

Inspect and clean selected metadata and hidden review items in DOCX, XLSX, and PPTX files.

Fit entered text at the largest readable size on A4 pages and print from a browser.

Turn PPTX slides and narration into MP4 video, with scripts, audio, and subtitles.

Build visual FFmpeg filter graphs, preview results, and render processed video or audio in the browser.

Inspect Apache Arrow IPC files and streams, including schemas, record batches, and data.

Fill PDF forms, place text and marks, add signatures, and save completed documents locally.

Cover answers on images and study them through an interactive reveal-and-recall sheet.

Open DBF files and inspect table fields, records, and encoding in your browser.

Count people, repetitions, or objects using multiple counters or a large focus-mode tap target.

Attach text-anchored review notes to PDFs and export comments without altering the original.

Add time-based notes and frame annotations to videos and export review results.

Record maintenance and recurring tasks by scanning NFC tags or QR codes attached to objects.

Sample frames from a video and combine them into a printable visual contact sheet.

Inspect JSONL and NDJSON records, malformed lines, field presence, and mixed data types.

Build profile-specific OpenCV.js and WebAssembly runtimes from selected OpenCV components.

Test cameras, microphones, speakers, display, keyboard, touch, gamepads, and motion sensors.

Create QC charts, control charts, and fishbone diagrams from local CSV or TSV data.