Small, sharp tools that stay on your device.
Kranova is a growing collection of tech & design utilities that run entirely in your browser. No accounts, no uploads, no tracking.
Image
Image Compressor & Resizer
Shrink and resize JPG, PNG, or WebP images right in your browser — nothing is uploaded.
Open →PrivateColorColor Chooser and Converter
Pick a color, convert between HEX/RGB/HSL, build tints & shades, and check WCAG contrast.
Open →PrivateText & DataJSON Formatter
Pretty-print, minify, and validate JSON with clear error messages. Fully offline.
Open →PrivateVideoVideo Converter
Convert video to MP4 or WebM and shrink it to a target size — on your device via WebCodecs. Nothing is uploaded.
Open →Private