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ToolsMastar

Image Tools

Edit photos and graphics without installing software. Most image tools run entirely in your browser, so your pictures never leave your device, and many accept up to 20 files at once.

Available now (25)

Image Resizer

Resize images to exact pixel dimensions or a percentage, with optional aspect-ratio locking.

Image Cropper

Crop an image to an exact region or to a centered aspect ratio such as 1:1, 16:9 or 4:5.

Image Compressor

Reduce image file size with adjustable quality and optional maximum dimensions, and see the savings.

Image Converter

Convert any common image format to JPG, PNG or WebP in a single step.

Image Rotator

Rotate an image by 90, 180 or 270 degrees, or by any custom angle with a chosen background.

Image Flipper

Mirror an image horizontally, vertically or both.

Image Watermark

Protect photos with a semi-transparent text watermark, placed once or tiled across the image.

Image Text Adder

Write a caption or label onto an image with your choice of size, color, outline and position.

Image Blur

Apply a smooth Gaussian-style blur to an entire image with an adjustable radius.

Image Sharpen

Increase perceived detail with an unsharp-mask filter that has adjustable amount and radius.

Image Grayscale

Convert a color photo to grayscale using perceptual luminance weights, with optional partial strength.

Image Brightness

Lighten underexposed photos or darken bright ones with a precise brightness adjustment.

Image Contrast

Increase or reduce the difference between light and dark areas of an image.

Image Saturation

Boost color intensity for more vivid images or reduce it for a muted look.

Image Border

Add a solid-color border or frame of any thickness around an image.

Image Rounded Corners

Round the corners of an image, or crop it to a circle, with a transparent background.

Image Background Color

Replace transparent areas of a PNG or WebP with a solid background color.

Image Overlay

Place one image on top of another with adjustable position, scale and opacity.

Image Splitter

Slice an image into a grid of equal tiles, downloadable individually or as a ZIP.

Image Merger

Stitch multiple images together horizontally or vertically with optional spacing.

Image Metadata Viewer

Inspect all embedded metadata in an image, including EXIF, XMP, IPTC and ICC color profile data.

Image DPI Changer

Set the DPI/PPI value stored in a JPG or PNG for printing without resampling its pixels.

Image Pixelator

Pixelate an image into large blocks for a retro look or to obscure details.

Image Upscaler

Enlarge small images 2x to 4x using multi-step high-quality resampling with optional sharpening (not AI).

Image to Base64

Encode an image file as a Base64 string for embedding in JSON, APIs or source code.

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