Local-first workbench
Pick a tool. Keep the file here.
NTools keeps everyday office and developer utilities in one fast directory. Image, video, JSON, and calculator tools run in the browser when the task allows it.
NTools
Available image and video tools process files in your browser. No upload step is part of those workflows.
- Tools listed
- 8
Image to Line Art
Adjust edge threshold, smoothing and line thickness. Export PNG or vector SVG locally.
Open toolImage to Bead Pattern
Customize colors, grids and sections, edit each bead, and export numbered patterns with materials.
Open toolImage Watermark
Add a private text watermark to an image directly in your browser.
Open toolImage Stitch
Combine multiple local images into one downloadable PNG in your browser.
Open toolVideo to GIF
Turn a local video clip into a downloadable GIF in your browser.
Open toolVideo to PNG Frames
Extract PNG frames from a local video directly in your browser.
Open toolJSON Editor
Edit JSON in place, parse nested JSON strings, and switch to JSON5 input.
Open toolBase Converter
Convert integers between binary, octal, decimal, hexadecimal, and bases up to 36.
Open tool