301 redirect generator
Old URLs to new ones, as Apache, Nginx or Next.js rules. Free and no account. Nothing leaves your browser.
One pair per line. Separate with a comma or a tab, so two columns pasted straight out of a spreadsheet work. Full URLs are reduced to paths.
Server
# 301 redirects. Place in .htaccess at the document root. <IfModule mod_rewrite.c> RewriteEngine On RewriteRule ^old-page/?$ /new-page [R=301,L] RewriteRule ^blog/2019/thing/?$ /blog/thing [R=301,L] RewriteRule ^legacy/?$ / [R=301,L] </IfModule>
301 is permanent and is what passes ranking signals. Browsers cache it hard, so test on a staging host or in a private window. Getting a 301 wrong and then fixing it does not clear it from anyone who already followed it.
What it tells you
Three server formats
Apache .htaccess, Nginx, or a Next.js redirects() block.
Finds redirect chains
A to B where B also redirects. Chains dilute signals and Google stops following after a handful.
Finds loops and self-redirects
Both make the page permanently unreachable, and both come from spreadsheet copy-paste.
Takes spreadsheet output
Comma, tab or multi-space separated, with full URLs reduced to paths automatically.
How to use it
- 1
Paste old and new URLs
Two columns, straight out of the migration spreadsheet. - 2
Read the warnings
Chains and loops are listed before you generate anything. Fix them in the source list, not in the rules. - 3
Pick your server and deploy
Test on staging first — browsers cache a 301 aggressively, and a wrong one is hard to take back.
Questions people ask
301 or 302?
301 for a permanent move, which is what a migration is, and what passes ranking signals to the new URL. 302 says the original will return, so signals stay with the old URL. Using 302 for a permanent move is a common and expensive mistake.
Why do redirect chains matter?
Each hop loses a little and adds latency, and Google gives up following after roughly five. More practically, chains accumulate: a site on its third redesign often has URLs going through four hops to reach a live page. Always point the oldest URL directly at the final destination.
Should I redirect everything to the homepage?
No. A bulk redirect to the homepage is treated as a soft 404 and passes nothing. Map each URL to its closest equivalent; if there genuinely is not one, let it 410 or 404 honestly.
How long do I keep redirects?
At least a year, and indefinitely if the old URLs still have links pointing at them. Removing a redirect breaks every external link that ever pointed there, which is the value you were trying to preserve in the first place.
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