Remove Image Backgrounds with PixLab API or Web App

What you’ll get

Clean product photos with the background removed (made transparent), so items look professional for an online store or social media. There are two paths here: a simple web app for removing one image at a time with no code, and an API for developers who want to process many images automatically. (“API” means a service your code calls over the internet.)

Tools you need

• PixLab (freemium): provides both the no-code web app and the developer API for background removal.
• Python (free): only needed for the developer path, to call the API in a script.

Steps

The easy way (no code)

1. Use the BG Remove web app: on the PixLab site, open the “BG Remove” web app, upload your image, and download the result. You should get back the same photo with a transparent background, ready to use. For a handful of images, this is all you need.

The developer way (process many automatically)

2. Get your API key: sign up at the PixLab Console and copy your API key (the secret that authorizes your requests). You should see it on your dashboard.

3. Quick test with a URL: if your image is already online, you can remove its background with a single web request. Put your key and image URL into this address and open it:

   https://api.pixlab.io/bgremove?img=YOUR_IMAGE_URL&key=YOUR_PIXLAB_API_KEY

   You get back a JSON response (a structured data reply) containing the processed image.

4. Process a local image with Python: to handle images on your computer (and many at once), save this as remove_bg.py, fill in your key and image path, and run python remove_bg.py:

   import requests, base64, os
   
   API_KEY = 'YOUR_PIXLAB_API_KEY'
   IMAGE_PATH = 'path/to/your/image.jpg'
   OUTPUT_PATH = 'output_image.png'
   
   url = 'https://api.pixlab.io/bgremove'
   files = {'img': (os.path.basename(IMAGE_PATH), open(IMAGE_PATH, 'rb'), 'image/jpeg')}
   data = {'key': API_KEY}
   
   response = requests.post(url, files=files, data=data)
   result = response.json()
   
   if result.get('status') == 200 and result.get('imgData'):
       with open(OUTPUT_PATH, 'wb') as f:
           f.write(base64.b64decode(result['imgData']))
       print(f"Saved background-free image to {OUTPUT_PATH}")
   else:
       print("Error:", result.get('error', 'no image data returned'))

   The API returns the new image as “Base64” text (a way of representing a file as text); the script decodes it and saves a .png. You should find output_image.png in the folder, background removed.

Original source

Based on “The Background Remove API Devs Actually Ship” by dev_kiran on the DEV Community blog, covering PixLab’s API and companion web app for background removal.

Notes & variations

• Free-tier alternatives: other tools like remove.bg or Adobe Express also remove backgrounds, often with a limited free tier, if you prefer not to use PixLab.
• Common mistake: exposing your API key. Never paste it into public code or a public repository; keep it in an environment variable or config file.
• Tip for better results: for large images or batches, add blob=true to the request to get the raw image back instead of Base64 text, which is more efficient, especially if you connect cloud storage in the PixLab Console.