CorrectICS

Fix broken ICS files in seconds

Validate calendar files, get detailed diagnostics, and automatically repair formatting issues.

Faster than manual debugging, more reliable than AI prompts, cheaper than building in-house.

Plan comparison

Capability Free Pro
Requests per minute 5 30
Monthly quota 50 validations 5,000 validations with Autofix
Autofix on web No Yes
Autofix API output No Yes
Bulk ZIP files Not available Up to 200 files
Bulk ZIP size N/A (ZIP not supported) 25 MiB compressed
Single upload size 1 MiB 5 MiB
File history retention 24 hours (metadata only) 30 days with downloads
Price $0/mo $15/month (or $150/year - 2 months free!)

Autofix: Automatically repairs common ICS errors and returns a clean, standards-compliant file, or provides step-by-step instructions when a manual fix is required.

Free tier

$0/month

  • ✓ Unlimited web validations (10 uploads / 5 min burst)
  • ✓ See error codes and brief summaries
  • ✓ Cross-client compatibility checks
  • ✓ 50 validations/month
  • ✓ 24-hour history of recent validations
  • ✗ No autofix
  • ✗ No fixed file downloads
  • ✗ No ZIP uploads (single files only)
Get Free API Key

Pro tier

$15/month (or $150/year - 2 months free!)

Perfect for: Event platforms, CRM integrations, calendar publishers.

  • ✓ Download fixed ICS files on web
  • ✓ API autofix with autofix=1 flag
  • ✓ 5,000 API calls/month
  • ✓ 30 requests/minute
  • ✓ Bulk ZIP uploads (200 files / 25 MiB)
  • ✓ Larger file limits (5 MiB)
  • ✓ 30-day history with downloadable results
  • ✓ Email support (48hr response)
Upgrade to Pro

Why use CorrectICS instead of debugging manually?

✓ Instant validation vs. hours of trial-and-error

Get immediate feedback on your ICS files instead of spending hours manually testing different calendar imports.

✓ Catches edge cases you'd miss

Our comprehensive validation catches obscure errors that often cause mysterious calendar import failures.

✓ Standards-compliant fixes, not workarounds

We apply RFC 5545 standards to fix your files properly, ensuring compatibility with all major calendar clients.

Processing 50K+ files/month? We offer dedicated infrastructure and priority support. Contact us.