Professional RGB to CMYK Converter For Printing

Built for professional printing, our free RGB to CMYK converter runs directly in your browser. Use built-in presets or custom ICC profiles to convert images with real-time preview and achieve accurate, print-ready color. No download or sign-up needed.

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ICC Profile

Source RGB Profile

Source color space of your input image

Recommended: Relative for most images

Recommended for photographic images to reduce banding

Output Settings

TIFF format provides the best printing results

About ICC Profiles

ICC profiles ensure accurate color reproduction across different printing devices and paper types.

Professional-Grade Technology

Professional-Grade Technology

Our converter prepares your designs for print by accurately converting colors from RGB to CMYK. We use industry-standard color conversion engines and ICC color management engine, the same technology used by Photoshop, GIMP, and Ghostscript. Our conversion results match professional software.

Built-in Multiple Profiles + Custom Upload

Built-in Multiple Profiles + Custom Upload

Includes built-in mainstream Source RGB and CMYK ICC profiles, and supports uploading custom profiles from your print provider to ensure precise RGB to CMYK conversions.

Professional Rendering Intents

Professional Rendering Intents

Support for Perceptual, Relative Colorimetric, Saturation, and Absolute Colorimetric rendering intents with results matching professional software.

BPC & Dithering Optimization

BPC & Dithering Optimization

Black Point Compensation built-in by default. Optional Dithering for smooth gradients. All optimizations applied automatically.

Real-time Preview & Comparison

Real-time Preview & Comparison

Preview CMYK files in browser with before/after comparison. Save expensive print proofs. Browser preview matches downloaded file appearance.

Bridge the Gap Between Screen and Press

Get print-ready CMYK files with confidence, for any project.

For Graphic Designers

Achieve Press-Perfect Color from Screen to Print

Bring your branding, packaging, and marketing materials to life with confidence. Convert your designs from RGB to CMYK with precision, ensuring the colors you see on screen are the colors you get on paper—every time.

For Photographers

Preserve the Depth and Detail of Your Work in Print

Prepare your images for fine art prints, photo books, or gallery exhibitions with accurate color conversion. Maintain smooth gradients, rich shadows, and vibrant tones so your printed work reflects the true quality of your photography.

For Print Shops & Service Bureaus

Streamline Client File Prep with Reliable Prepress Conversion

Handle incoming RGB files from clients efficiently and consistently. Quickly convert artwork to production-ready CMYK with correct profiles and previews, reducing prep time and minimizing reprints due to color mismatch.

For Marketing & Brand Teams

Maintain Brand Color Consistency Across All Print Materials

Keep your brand's visual identity unified—from business cards and brochures to trade show banners. Use accurate RGB to CMYK conversion to ensure corporate colors print correctly, whether based on Pantone references or custom brand palettes.

How to convert RGB to CMYK with our tool

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Step 1: Upload Your Image

Simply upload your JPG, PNG, or WebP file to begin.

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Step 2: Set Color Profiles

Choose built-in ICC and sRGB profiles, or upload your own for maximum accuracy.

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Step 3: Adjust Conversion Settings

Select your Rendering Intent and optionally enable Dithering for smoother gradients.

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Step 4: Choose Output & Convert

Pick your format (TIFF for print, JPG/PNG for web) and click “Convert RGB to CMYK”.

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Step 5: Preview & Download

Check the real-time preview, then download your print-ready CMYK file.

RGB to CMYK Converter: FAQ

Our RGB to CMYK converter is a tool that transforms colors from RGB color space (used for digital displays) to CMYK color space (used for printing). Our RGB to CMYK converter uses professional color management technology to ensure accurate color conversion for print production.

By converting to CMYK yourself using our RGB to CMYK convertor, you can:

  • Preview the result with a real-time soft proof.
  • Choose the correct profiles for your specific printer and paper.
  • Apply optimizations (like Black Point Compensation and Dithering) to get the best possible match.
  • Catch and adjust major color shifts before sending the file, saving time and money on incorrect prints.

RGB is for screens, CMYK is for ink. Converting RGB to CMYK ensures your printed materials look as close as possible to what you see on screen.

1. Different Color Systems:

  • RGB (Red, Green, Blue) is an additive color model used by screens. It creates colors by mixing light, capable of producing very vibrant and bright hues.
  • CMYK (Cyan, Magenta, Yellow, Key/Black) is a subtractive color model used by printers. It creates colors by mixing inks on paper, which has a more limited color range.

2. The "Gamut Gap":

Many bright and vibrant colors you see on an RGB screen simply cannot be reproduced with CMYK inks. If you send an RGB file directly to a print shop, the printer's software will automatically convert it. This automatic conversion is uncontrolled and often results in dull, muddy, or unpredictable colors because it has to guess how to map the unreproducible colors.

Converting from RGB to CMYK is a crucial preparatory step for print. It bridges the gap between screen and ink, giving you control over the final outcome to ensure your prints look professional and intentional.

We use industry-standard color management algorithms. Our conversion results match professional software like Photoshop, GIMP, and Ghostscript. This is our biggest advantage! Our underlying algorithms are identical to professional software.

A Source RGB Profile (also called Source Color Space) is like a "color dictionary" that defines the color range used when editing images. It precisely defines what each RGB value represents in terms of actual visible colors.

For example, the same RGB value represents a wider, richer red in Adobe RGB than in the more common sRGB color space. Choosing the correct profile—typically Adobe RGB for professional print preparation and sRGB for web or general use—ensures our converter interprets your colors accurately.

If the Source RGB Profile is missing or wrong, every conversion step that follows will be based on incorrect starting colors. This leads directly to final prints with noticeable shifts, dullness, or an overall mismatch from your original screen design.

A CMYK ICC Profile acts as both a "translator" and a "navigation map" in the color conversion process. It precisely describes the color range (gamut) that can be reproduced under specific printing conditions (ink type, paper type, printing press).

Without ICC Profiles: Colors become dull, results are unpredictable, and you lose control over the conversion process.

Color loss occurs because RGB screens can display a wider range of colors than CMYK inks can physically reproduce. Our RGB to CMYK converter manages this inherent gap during conversion, but using incorrect settings can still lead to even greater color loss.

1. Physical Gamut Limit:

Many vibrant RGB colors simply cannot be printed with CMYK inks. During conversion, these "out-of-gamut" colors are adjusted into the printable range, often appearing less vivid or slightly shifted.

2. Incorrect Conversion Settings:

Using the wrong Source RGB Profile, Destination CMYK Profile, or Rendering Intent can lead to dull, flat, or inaccurate color mapping.

3. BPC and Dithering

  • Without Black Point Compensation, blacks may print as dark gray instead of rich black.
  • Without Dithering, smooth gradients (like skies) may show visible bands of color instead of smooth transitions.

We take user privacy very seriously. All uploaded images can only be downloaded by you. When you click [Download] or [Back to Start], your files are immediately deleted from the server. If you take no action, all files are automatically and permanently deleted within 10 minutes. No one can access your files.

You can export your converted image in three common formats: TIFF (Recommended for Print)/JPEG/PNG