NTools / Your local image workbench
Images ready. Right in your browser.
Compress, resize, convert, or turn an image into line art and bead patterns. Start here. Your files stay with you.
Try “make smaller”, “JPG”, or “stitch screenshots”.
Everyday image work
Get your images ready to send, share, or publish.
Compress image
Adjust quality and compare the actual file size. Export JPEG, WebP or PNG locally.
Convert image
Convert between PNG, JPEG and WebP with a preview and transparent-background control.
Resize image
Set exact pixel dimensions or scale by percentage, with an optional aspect-ratio lock.
Image Stitch
Combine multiple local images into one downloadable PNG in your browser.
Image Watermark
Add a private text watermark to an image directly in your browser.
Create from an image
Turn an image into something you can make.
Image to Line Art
Adjust edge threshold, smoothing and line thickness. Export PNG or vector SVG locally.
Sample processed with NToolsImage to Bead Pattern
Customize colors, grids and sections, edit each bead, and export numbered patterns with materials.
Sample processed with NToolsMore tools
Video extraction and developer utilities.
Video to GIF
Turn a local video clip into a downloadable GIF in your browser.
Video to PNG Frames
Extract PNG frames from a local video directly in your browser.
JSON Editor
Edit JSON in place, parse nested JSON strings, and switch to JSON5 input.
Base Converter
Convert integers between binary, octal, decimal, hexadecimal, and bases up to 36.