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KB Reducer vs XLS.now

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

KB Reducer compared with XLS.now
DetailKB Reducer logo KB ReducerXLS.now logo XLS.now
What it doesFree online tool to compress images to exact KB size REST API for converting Excel and XLS spreadsheets programmatically
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Paid
PricingNot given One-off credits: 1,000 for $12.00, 5,000 for $60.00, 25,000 for $300.00, 100,000 for $1,200.00. Monthly subscription: $8.40/mo for 1,000 credits, $42.00/mo for 5,000 credits, $210.00/mo for 25,000 credits, $840.00/mo for 100,000 credits. Premium ($9.99/mo) and Premium Plus ($29.99/mo) subscription p
Key features
  • Supports JPG, JPEG, PNG, and WebP formats up to 10MB
  • Binary-search algorithm hits target within ±5 KB
  • Preset compression sizes: 20KB, 50KB, 100KB, 200KB
  • All processing happens locally in browser with no server upload
  • Automatic dimension scaling for very small targets
  • Lightweight compression logic optimized for low-RAM devices
  • Asynchronous conversion processing with job polling
  • No SDK required, REST API with simple JSON requests
  • Credit-based pricing: 1 credit for standard, 2 for CPU-heavy conversions
  • Rate limiting per minute and monthly quota management
  • Automatic file deletion after 24 hours for guest uploads
  • Multiple converter slugs for different format conversions
  • API usage dashboard with consumption tracking
  • Batch uploads and account management
  • Webhooks and batch API on Premium Plus
  • White-label and commercial license options
What makes it different
  • Browser-based processing with complete privacy - images never leave your device
  • Exact KB targeting with binary search instead of quality slider guessing
  • Completely free with no daily limits, signup, or watermarks
  • Built specifically for exam forms, job portals, and visa applications with exact KB requirements
  • Optimized for low-end devices with limited RAM and older browsers
  • No SDK or installation required, API key only setup
  • Asynchronous processing for large files without HTTP timeouts
  • Affordable credit-based pricing with no overage charges
  • Automatic refunds for rejected requests
  • Free tier with no credit card required
Community votes00
DR (Domain Rating by Ahrefs)5 +3 (up) since last check30 +4 (up) since last check
Trust Flow (Majestic)60
Citation Flow (Majestic)197
Referring domains (Majestic)92

4 details filled in for both companies.

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