Upload a JPG or PNG and instantly convert the image into an Excel (.xlsx) pixel-art spreadsheet. 100% browser-based. No server upload required.
Choose any picture and this tool will convert your image into Excel format, where each cell becomes a pixel.
Drag and drop an image here
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Supported formats: JPG, JPEG, PNG
Select the part of the picture you want to convert to Excel. Or leave as is to convert the entire image.
The converter automatically maps each grid of the image to an Excel cell using the closest matching RGB value. More rows and colums results in higher resolution image in Excel.
Each cell’s background color represents the average color of a block of the original image.
This preview shows the exact colors that will be placed into the Excel file. The preview is scaled up for easier viewing.
When you’re satisfied with the crop and pixel size, click below to download the xlsx file.
The conversion is fully local — your images never leave your device.
What specific (if any) are you seeing when think-cell loads? Share public link
The coffee at ’s desk had gone cold, but his mind was racing. He was three hours away from a boardroom presentation, and his charts—the beautiful, complex Marimekko and Waterfall diagrams he’d spent all night on—were locked behind a persistent popup.
: A window will appear showing the current version and the license key's expiration date . 2. Locate the Key in System Files
If think-cell is currently active on your machine, the fastest way to check its status is through the "About" dialog: and navigate to the Insert tab.
Modern Think-Cell versions (12.0+) encrypt registry keys. You will see gibberish like ^&%#@$! . You cannot decrypt this manually. This method is deprecated—stick to the license.xml method.
The 25-character alphanumeric key following this parameter is your active think-cell license key. Method 3: Checking the Portable Sandbox Registry (Advanced)
Locate the group and click on Tools (represented by a wrench/screwdriver icon). Select Help > About .
I can provide targeted steps to resolve your licensing block. Share public link
Indicates a key that is missing or not recognized 1.2.1.
Look for a file named settings.xml or a plain text configuration file.
| Dialog Message | Meaning | |---|---| | “This think-cell product‘s license key will expire soon (valid until: …)” | Your key is valid but approaching its expiration date | | “(invalid)” | No key was found, or a key was found but was not issued by think-cell | | “(expired on: …)” | Your key has passed its expiration date |
Open a File Explorer window and enter %APPDATA%\think-cell in the address bar .
If you're unable to access Think Cell or the "About Think Cell" dialog box, there are alternative methods to check your license key portable:
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
| What You Want to Do | How to Accomplish It | |---|---| | Check if your license is valid | Look for the license dialog status message at PowerPoint startup | | Find your license key | Check emails from think-cell, organization portals, or contact IT support | | Transfer license to another computer | Uninstall from old computer, reinstall and activate on new computer using existing key | | Use think-cell on a laptop | Install normally; works on mobile computers without special configuration | | Troubleshoot recurring license dialog | Check for hanging processes, verify folder permissions, or install outside AppData | | Renew an expired license | Order a new key through the customer portal (pricing is same as initial purchase) |
What specific (if any) are you seeing when think-cell loads? Share public link
The coffee at ’s desk had gone cold, but his mind was racing. He was three hours away from a boardroom presentation, and his charts—the beautiful, complex Marimekko and Waterfall diagrams he’d spent all night on—were locked behind a persistent popup.
: A window will appear showing the current version and the license key's expiration date . 2. Locate the Key in System Files
If think-cell is currently active on your machine, the fastest way to check its status is through the "About" dialog: and navigate to the Insert tab. how to check think cell license key portable
Modern Think-Cell versions (12.0+) encrypt registry keys. You will see gibberish like ^&%#@$! . You cannot decrypt this manually. This method is deprecated—stick to the license.xml method.
The 25-character alphanumeric key following this parameter is your active think-cell license key. Method 3: Checking the Portable Sandbox Registry (Advanced)
Locate the group and click on Tools (represented by a wrench/screwdriver icon). Select Help > About . What specific (if any) are you seeing when think-cell loads
I can provide targeted steps to resolve your licensing block. Share public link
Indicates a key that is missing or not recognized 1.2.1.
Look for a file named settings.xml or a plain text configuration file. : A window will appear showing the current
| Dialog Message | Meaning | |---|---| | “This think-cell product‘s license key will expire soon (valid until: …)” | Your key is valid but approaching its expiration date | | “(invalid)” | No key was found, or a key was found but was not issued by think-cell | | “(expired on: …)” | Your key has passed its expiration date |
Open a File Explorer window and enter %APPDATA%\think-cell in the address bar .
If you're unable to access Think Cell or the "About Think Cell" dialog box, there are alternative methods to check your license key portable:
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
| What You Want to Do | How to Accomplish It | |---|---| | Check if your license is valid | Look for the license dialog status message at PowerPoint startup | | Find your license key | Check emails from think-cell, organization portals, or contact IT support | | Transfer license to another computer | Uninstall from old computer, reinstall and activate on new computer using existing key | | Use think-cell on a laptop | Install normally; works on mobile computers without special configuration | | Troubleshoot recurring license dialog | Check for hanging processes, verify folder permissions, or install outside AppData | | Renew an expired license | Order a new key through the customer portal (pricing is same as initial purchase) |