##miniPaint

Online graphics editing tool use HTML5 technologies like Canvas, Offline support, Drag and Drop. Key features: layers, transparency, filters, no-flash, open source.

Demo: http://viliusle.github.io/miniPaint/

License: GPL

Browser Support: Firefox, Chrome. Safari and IE-11 has issues with some HTML5 features.

##Features:

• Open images, drag and drop images.
• Save images as PNG, JPG, XML (layers data), (plus BMP and WEBP on some browsers).
• Print support.
• 3 levels undo.
• Transparency support.
• Selection operation: cut, copy, paste, resize, delete, move.
• Image information: dimensions, colors count, EXIF data.
• Trim image.
• Tools: pencil, brush, magic wand, erase, fill, color picker, letters, crop, blur, sharpen, burn/dodge, desaturate, clone.
• Image resize (Hermite or default).
• Rotate: left, right, custom angle.
• Flip: vertical or horizontal.
• Color corrections: brightness, contrast, hue, saturation, luminance, channels (red, green, blue).
• Auto adjust colors.
• Grid.
• Histogram.
• Decrease color depth.
• Negative.
• GrayScale.
• Layers.
• Gradients.
• Differences.
• Borders.
• Sprites.
• Key-points.
• Color to alpha.
• Restore alpha.
• Color Zoom
• Keyboard shortcuts.
• Effect browser.
• Zoom.
• Effects:
  • Black and White (dithering).
  • Blur (box, Gaussian, stack, zoom).
  • Bulge/Pinch.
  • Colorize.
  • Denoise.
  • Desaturate.
  • Dither.
  • Dot Screen.
  • Edge.
  • Emboss.
  • Enrich.
  • Gamma.
  • Grains.
  • GrayScale.
  • Heatmap.
  • HSL Adjustment.
  • JPG Compression.
  • Mosaic.
  • Oil.
  • Perspective.
  • Posterize.
  • Sepia.
  • Sharpen.
  • Solarize.
  • Tilt Shift.
  • Vignette.
  • Vintage.

##Libraries used:

• Harmony - http://ricardocabello.com/blog/post/689
• glfx.js - http://evanw.github.io/glfx.js/
• exif.js - https://github.com/jseidelin/exif-js
• ImageFilters.js - https://github.com/arahaya/ImageFilters.js