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The Network Tools vs CurlyJSON

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

The Network Tools compared with CurlyJSON
DetailThe Network Tools logo The Network ToolsCurlyJSON logo CurlyJSON
What it doesFree network diagnostic tools for DNS, IP, email and SSL checks JSON Formatter & Validator — Free, Private & Offline
StageNot given Not given
FoundedNot given Not given
Based inIN Not given
Pricing modelFreemium Freemium
PricingFree plan: All 41 tools with unlimited checks, 3 saved domains with daily monitoring, 7 days of history. Pro plan: $29/month for 50 domains, scans every 6 hours, email, Slack, Telegram and webhook alerts, 12 months of history and API access. Free for all tools. Pro: $29.99 per year or $4 per month, plus tax.
Key features
  • DNS Lookup - resolve A, AAAA, MX, TXT, NS, CNAME records
  • Blacklist Checker - query 7 major DNS blocklists
  • SSL/TLS Certificate Checker - verify certificate chain, expiry and protocol support
  • Email Deliverability - check SPF, DKIM and DMARC records
  • WHOIS Lookup - query domain registration details
  • Reverse DNS (PTR) - check IP to hostname resolution
  • Port Checker - test common HTTP/HTTPS ports
  • BIMI Lookup - query BIMI TXT records
  • Domain monitoring with automated scans
  • Multi-channel alerts via email, Slack, Telegram and webhooks
  • Validate JSON with precise line and column errors
  • Repair invalid JSON fixing trailing commas, quotes, and comments
  • Preserve large integers without rounding
  • Detect and mask API keys, tokens and passwords
What makes it different
  • 41 tools all available free with unlimited checks
  • Clear sourcing - every result shows its source and what was not tested
  • Live DNS queries from edge servers via DNS-over-HTTPS
  • Domain monitoring and alerts with affordable Pro plan at $29/month
  • Keeps large numbers exactly as written instead of silently rounding them like most online formatters
  • All free tools run entirely in your browser, working offline without uploading data
  • Automatically detects and warns about secrets like API keys and passwords
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)5 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)67
Citation Flow (Majestic)1713
Referring domains (Majestic)62

5 details filled in for both companies.

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