Image Studio — Free & Private

Resize, crop, adjust, watermark and clean images, plus favicons, SVG optimizing, aspect ratios and ASCII art.

Runs 100% in your browser: your files and data never leave your device. No signup, no ads.

Tools in Image Studio

Image Resizer & Scaler: Resize pixel dimensions with aspect ratio lock and quick percentage presets.
Image Cropper: Drag-to-crop an image with aspect ratio presets — 1:1, 4:3, 16:9, and free-form.
Image Contrast & Color Adjuster: Adjust brightness, contrast, saturation, grayscale, invert, blur, and sepia with side-by-side comparison.
Image Watermark Studio: Stamp a text watermark onto a photo with live preview, position, and opacity control.
Aspect Ratio & Display Calculator: Calculate aspect ratios, simplify resolutions with GCD, scale dimensions, and estimate print sizes.
Favicon & App Icon Generator: Generate multi-resolution icons (16px to 512px), webmanifest, and HTML tags.
SVG Optimizer & Cleaner: Strip bloated Figma, Illustrator, and Inkscape XML metadata and empty tags.
Image to ASCII Art Converter: Turn any photo into monospace ASCII text art using Canvas pixel sampling.
Image Color & Luminance Histogram: Render real-time RGB channel histograms and luminance distribution curves from any uploaded image.
Image Header & EXIF Inspector: Inspect image file headers, dimensions, megapixel count, color depth, format signature, and EXIF tags.
Retro Image Dithering Studio: Apply retro Floyd-Steinberg, Atkinson, and Bayer ordered dithering with customizable monochrome and retro palettes.
Image Pixelator & Censor Tool: Pixelate images with adjustable block size, pixel grid overlay, or redact private sensitive face and text regions.
Noise & Grain Texture Generator: Generate customizable noise patterns including white noise, gaussian noise, perlin-like gradient noise, and film grain textures.
Image Border & Frame Adder: Add solid, dashed, rounded borders, frames, and drop shadows to images client-side with customizable padding and colors.
Image Flip, Mirror & Free Rotate: Mirror horizontally/vertically and rotate images by 90°, 180°, 270°, or arbitrary free angles with lossless canvas preview.
Grayscale & Monochrome Color Lab: Convert images to monochrome with weighted luminance formulas (Rec.709 HDTV, Rec.601 SDTV, Average), sepia, and cyanotype tone presets.
Image Stitcher & Collage Combiner: Combine multiple images horizontally, vertically, or in a responsive grid layout with custom spacing and alignments.
JPEG Compressor & Quality Optimizer: Recompress JPEG images client-side with quality controls, side-by-side visual comparison, and exact byte savings calculation.
WebP Image Converter & Encoder: Convert PNG, JPEG, GIF, and BMP images to modern WebP format client-side with quality and lossless compression options.
Sprite Sheet Slicer & Frame Extractor: Slice 2D game sprite sheets into individual PNG frames using uniform rows/columns or pixel dimensions with sprite preview.

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