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OpenPixels vs GridBulk

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OpenPixels compared with GridBulk
DetailOpenPixels logo OpenPixelsGridBulk logo GridBulk
What it doesFree in-browser photo upscaler and restorer AI batch image generation with grid splitting: one prompt, up to 16 images, one credit
StageNot given Startup
FoundedNot given 2026
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Free plan includes 20 credits on signup with the first generation free. Basic: $19/month for 2,000 credits/month (≈32,000 images with 4×4 grid). Pro: $49/month for 5,000 credits/month (≈80,000 images with 4×4 grid). Max: $99/month for 10,000 credits/month (≈160,000 images with 4×4 grid).
Key features
  • Enlarge photos up to 8x
  • Remove noise and JPEG artifacts
  • Rebuild and restore faces
  • Colorize black and white photos
  • Remove or replace background
  • Batch process multiple photos
  • Works offline after first use
  • Progressive web app for home screen
  • Available as browser extension
  • Desktop apps for Windows, macOS, Android
  • Generate up to 16 images in a single 4×4 grid
  • Grid splitting into individual pixel-perfect assets
  • REST API with sync and async endpoints
  • MCP server for AI agent integration
  • Reference image support for style guidance
  • Runs on Google Gemini and OpenAI GPT Image models
  • Dashboard history with searchable generations
What makes it different
  • All processing happens locally in your browser with nothing uploaded to servers
  • Shows measured quality metrics instead of claimed improvements
  • Completely free with no limits, watermarks, or account required to try
  • Open source code you can inspect and verify
  • Works offline after models are cached
  • One credit per grid instead of per image, reducing cost per image to 1/16 for 4×4 grids
  • Contact-sheet view for side-by-side comparison of all results
  • API and MCP server built for AI agents as first-class users
  • Independent and self-funded operation
  • First generation completely free with 20 signup credits
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)1 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)190
Referring domains (Majestic)120

4 details filled in for both companies.

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