JPG Tools

Paste base64 text or a JPEG data URI and get back a downloadable, previewable .jpg file.

Turn a JPG into textured black-and-white 'binary art' using an ordered Bayer dither pattern.

Snap every pixel of a JPG to pure black or pure white using a single global luminance threshold.

Convert an uncompressed Windows BMP file to JPG, entirely in your browser.

Pick a width, height, and one or two colors to generate a solid or gradient-fill JPG.

Paste a data:image/jpeg;base64 URI and decode it back into a downloadable JPG file.

Apply Floyd-Steinberg error-diffusion dithering to a JPG, quantizing colors to a small adjustable palette.

Find and display the most common colors in a JPG, with swatches, hex values, and percentage of pixels each covers.

Render a single emoji as a large, centered JPEG image using your system's emoji font.

Convert a GIF's first frame into a JPG, flattening any transparency onto white, entirely in your browser.

Paste a hexadecimal byte dump and decode it back into a downloadable JPG file.

Shear (skew) a JPEG horizontally and/or vertically by an angle, expanding the canvas to fit.

Base64-encode a JPEG file's raw bytes as plain text, entirely in your browser.

Get your uploaded JPEG back with a .jpg file extension, byte-for-byte identical, no re-encoding.

Convert a JPEG or JPG to a lossless PNG right in your browser, no upload required.

Add one or more labeled point markers with leader lines to a JPG, for callouts and QA notes.

Fully cover a rectangular region of a JPG with a solid color, permanently obscuring what's underneath.

Intentionally re-encode a JPG at a very low quality to exaggerate visible compression artifacts, for testing or demos.

Apply a mild smoothing pass to reduce the visibility of blocky JPEG compression artifacts.

Delete a JPG's background by replacing it with a solid color, with one-click corner auto-detection to find it.

Apply an adjustable box blur to a JPG entirely in your browser, no upload required.

Add a solid-color border of any thickness around a JPG, expanding the canvas so no content is cropped.

Crop a uniform-thickness border off all four sides of a JPG.

Add a flat brightness boost to every pixel of a JPG with an adjustable amount slider.

Upload any file and instantly find out whether it's really a JPG/JPEG, plus its dimensions.

Invert every pixel's RGB channels to create a photographic-negative effect from a JPG.

Upload a JPG and click anywhere on it to instantly read that pixel's RGB and hex color value.

Quantize a JPG down to a target total number of colors, from as few as 2 up to 256.

Pick a color and tolerance to delete from a JPG: matching pixels are replaced with a solid color of your choice.

Swap a source color for a destination color across a JPG, with a soft proportional blend instead of a hard cutoff.

Composite a semi-transparent color overlay over an entire JPG, adjustable by tint color and opacity.

Compress a JPG using a quick High/Medium/Low preset and see the before/after size and percentage saved.

Pull a JPG's tones toward the midpoint for a flatter, softer, lower-contrast look.

Push a JPG's tones apart from the midpoint for a punchier, higher-contrast look.

Round a JPG's four corners, filling the rounded-off regions with a matte color you choose (JPG can't be transparent).

Crop a JPG to an exact x/y/width/height rectangle entirely in your browser.

Subtract a flat brightness amount from every pixel of a JPG with an adjustable amount slider.

Scale a JPG down by a chosen factor (0.5x, 0.25x, and so on) entirely in your browser.

Upload a JPG and re-download an exact, unmodified copy of it, a quick 'save a copy' utility.

Automatically detect and trim uniform-color empty space bordering a JPG's actual content.

Wrap a JPG in a uniform ring of empty space, giving it breathing room on a white (or custom) background.

Type a CSS color name like 'cornflowerblue' and generate a solid-fill JPG of that exact color.

Flip a JPG left-to-right (a horizontal mirror) entirely in your browser.

Add independent top/right/bottom/left margins around a JPG, filling the new space with a chosen color.

Crop independent top/right/bottom/left margins off a JPG in one pass.

Automatically re-encode a JPG at a sensible default quality to shrink it with minimal visible loss, no settings to tune.

Rotate 90° CW/CCW and flip horizontal/vertical, combined into one convenient orientation-fix tool.

Add uniform padding around a JPG with a chosen fill color, in the design/layout sense of the term.

Crop a uniform padding amount off all four sides of a JPG.

Turn a JPG into a chunky mosaic by averaging each block of pixels into a single flat color.

Re-encode a JPG at any quality from 1-100 and compare the resulting file size, right in your browser.

Draw a colored, semi-transparent highlight box over a chosen rectangle of a JPG, keeping the content beneath visible.

Resize a JPG to an exact width and height in your browser, with an optional aspect-ratio lock.

Rotate a JPG by any angle (not just 90° steps), expanding the canvas so nothing is clipped.

Sharpen a JPG with an adjustable unsharp-mask-style convolution, right in your browser.

Add a swirl (whirlpool) distortion centered on a JPG, with adjustable strength and radius.

Draw a line of text onto a JPG at a chosen position, size, and color, entirely in your browser.

Convert a JPG or JPEG into a real uncompressed 24-bit BMP file, entirely in your browser.

Scan a JPG's pixels and get a text report of every unique color converted to CMYK percentages.

Convert a JPG file into a data:image/jpeg;base64 URI you can paste directly into HTML or CSS.

Convert a JPG or JPEG into a single-frame GIF, entirely in your browser.

Turn a JPG into datamoshing-style glitch art by shifting horizontal row-slices of each RGB channel independently.

Convert a JPG to full-range grayscale using a perceptual luminance or simple average formula.

Convert a JPG file's raw bytes into a hexadecimal string, entirely in your browser.

Scan a JPG's pixels and get a text report of every unique color converted to HSL.

Get your uploaded JPG back with a .jpeg file extension, byte-for-byte identical, no re-encoding.

List every pixel's coordinates and RGBA channel values as CSV text, right in your browser.

Convert a JPG or JPEG to WebP in your browser, with an adjustable quality level.

Flatten a transparent image onto a matte color of your choice and export a clean, real, opaque JPG.

Scale a JPG up by a chosen factor (2x, 3x, and so on) entirely in your browser.

Flip a JPG top-to-bottom (a vertical mirror) entirely in your browser.

Overlay a semi-transparent text watermark onto a JPG, either centered once or tiled across the image.

Add adjustable, reproducible random RGB noise to a JPG for a grainy, film-like texture.

Convert a PNG to JPEG with an adjustable quality level, flattening transparency onto white.

Generate a JPG of random-colored pixel static at any size, with one click, in your browser.

Cover-fit and center-crop a JPG to popular social media presets like Instagram, Twitter/X, and Facebook.

Type or paste text and render it, word-wrapped, onto a downloadable JPG image.

Convert a WebP image to JPG right in your browser, flattening any transparency onto white.