String Utility Belt vs The Network Tools

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

String Utility Belt compared with The Network Tools
Detail	String Utility Belt	The Network Tools
What it does	Free online string and text tools for encoding, decoding, hashing, formatting and converting text in your browser	Free network diagnostic tools for DNS, IP, email and SSL checks
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	IN
Pricing model	Free	Freemium
Pricing	Not given	Free 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.
Key features	Base64 encoding and decoding URL encoding and decoding JSON formatting, validation and minifying JWT decoding with readable timestamps SHA-256 and other cryptographic hashing UUID generation with multiple versions Text diffing with multiple formats Chainable pipelines with live preview CSV to JSON and JSON to YAML conversion Regular expression explanation in plain English	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
What makes it different	All processing happens in your browser with no data uploaded to servers Chain multiple tools into pipelines with live preview of each step Available across VS Code, CLI, MCP and as a Node.js library No cookies or tracking scripts, privacy-focused 248 utilities organized by category with guides and worked examples	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
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	38 +1 (up) since last check	5 +1 (up) since last check
Trust Flow (Majestic)	5	6
Citation Flow (Majestic)	24	17
Referring domains (Majestic)	18	6

4 details filled in for both companies.

More alternatives to String Utility Belt More alternatives to The Network Tools