Image Tools

Compress pictures, convert next-gen WebP formats, and create favicons using HTML5 Canvas. Zero upload limits and total file privacy.

Client-Side Image Processing & Optimization

Optimize your web photos, convert graphics, and generate app icons without uploading proprietary images to external cloud servers. OneToolBox utilizes native HTML5 Canvas rendering context and browser OffscreenCanvas memory for zero-latency image processing.

Featured Image Tools

• Image Compressor: Reduce PNG, JPG, and WebP file sizes by up to 80% with zero loss in visual clarity.
• WebP Converter: Convert traditional JPEG and PNG images to next-generation Google WebP format for faster page loads.
• Format Converters (PNG to JPG & JPG to PNG): Seamlessly switch between transparent PNG graphics and standard JPG photo formats.
• Favicon Generator: Generate multi-resolution icons (16x16, 32x32, Apple Touch, PWA) from any picture or logo.
• Image Resizer: Adjust image width, height, and proportions by exact pixels or scaling percentage.