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Free Image Scaler vs Comprestack

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

Free Image Scaler compared with Comprestack
Detail Free Image ScalerComprestack logo Comprestack
What it doesFree AI image upscaler and online photo editing tools that run in your browser Compress and convert images via REST API with JSON responses
StageNot given Not given
FoundedNot given Not given
Based inIN GB
Pricing modelFree Freemium
PricingNot given Free: $0 per month with 20 images/month. Pro: $8/month billed annually ($96/year) with 2,500 images/month. Business: $28/month billed annually ($336/year) with 25,000 images/month. Image pack: $5 one-time for 500 images valid 12 months. White label: $70 minimum credits, then $500+ top-ups at $1.00 p
Key features
  • AI upscaling 2x or 4x using ESRGAN neural network
  • Sharpen, denoise and detail recovery sliders
  • Bulk mode for up to 20 images per batch
  • Multiple export formats: PNG, JPG, WebP
  • Image cropper with preset ratios for social media and ID photos
  • Background remover with AI segmentation
  • Metadata and GPS removal
  • Image compression to exact KB size
  • QR code generator for URLs, email, SMS and Wi-Fi
  • Processes entirely in browser with no server upload
  • Compress images in original format
  • Convert between formats including WebP and AVIF
  • Lossless compression mode on Pro and Business plans
  • Batch processing up to 5 files on Free, 10 on Pro/Business
  • Custom quality levels on paid plans
  • REST API for server-side integration
  • Metadata removal by default, optional retention
  • Images automatically deleted within 1 hour
  • Target file size compression option
  • White label option with custom branding
What makes it different
  • No signup, no upload, no watermark required
  • Produces 11 times more edge detail than plain resizing
  • Free forever with no artificial limits or paywalls
  • Six integrated tools in one platform
  • Quality-first optimization that keeps photograph appearance intact
  • Private by default with automatic deletion within 1 hour
  • No training of AI on images or image selling
  • Synchronous API with results in the same request
  • Support from real people, not automated systems
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)230
Referring domains (Majestic)170

5 details filled in for both companies.

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