## Why I built this
Checking URLs one at a time during a site migration or relaunch is tedious, and the tools that do it in bulk for free — Ahrefs, SEMrush, Screaming Frog — gate that behind a paid plan.
So I built Bulk URL Checker for ForgePlug: a free batch URL checker that handles up to 100 URLs per run, no account required.
What it does
- Check status codes, full redirect chains, and response latency for up to 100 URLs at once
- Three ways to feed it URLs: paste directly, upload a CSV (auto-detects the URL column), or parse a sitemap
- Follows up to 20 redirect hops, recording the status code and Location header at each step
- Streams results in real time as each URL finishes, instead of making you wait for the whole batch
- Export as a formatted text report or properly-escaped CSV
Built with SSRF protection from the ground up
Since it fetches arbitrary URLs server-side, every redirect destination is validated against private IP ranges (10.x.x.x, 192.168.x.x, 169.254.169.254) before it's followed — so it can't be tricked into hitting internal infrastructure. No URLs are stored; everything lives only for the active session.
Details
Runs server-side (Node.js) with a concurrency pool of 10 simultaneous requests. Free tier caps at 100 URLs per run — a commercial plan is planned for unlimited batches, scheduled re-checks, and branded reporting.
Try it: https://www.forgeplug.com/tools/bulk-url-checker
Would love feedback, especially from anyone running site migrations or link audits.
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