ToolAstro › Image

Image Tools (14 tools)

Resize, compress, convert, crop, and edit images

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Resize

Resize images to specific dimensions in your browser. No upload needed. Supports maintaining aspect ratio.
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Compress

Compress images in your browser by adjusting JPEG quality. Reduce file size without uploading to any server.
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Format Convert

Convert images between PNG, JPEG, and WebP formats in your browser. No upload to any server required.
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Img→Base64

Convert images to Base64 data URIs. Get the encoded string for embedding images directly in HTML or CSS.
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Image

Crop

Crop images visually with a selection rectangle. Drag to select the area and download the cropped result.
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Img Filters

Apply CSS filters to images: grayscale, sepia, blur, brightness, contrast, invert, and more. Download the result.
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Extract Colors

Extract dominant colors from any image. Upload a photo and get the most used colors with HEX values.
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ASCII Art

Convert images to ASCII art. Upload any image and transform it into text-based art using characters.
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Image

Favicon

Generate favicons in multiple sizes from an uploaded image. Get 16x16, 32x32, 48x48, and more sizes for your website.
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Watermark

Add text watermarks to images. Customize text, position, opacity, size, color, and rotation angle.
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Flip/Rotate

Flip images horizontally or vertically and rotate by 90, 180, or 270 degrees. Quick image orientation fix.
🖼️
Image

Placeholder

Generate solid-color placeholder images with custom dimensions and optional text overlay. Download as PNG.
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SVG→PNG

Convert SVG images to PNG at custom resolutions. Upload or paste SVG code and export at any size.
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Beautify

Add beautiful backgrounds, shadows, and padding to screenshots. Make your screenshots look professional.