pdffillerbot

ai-fetcher pdffillerbot

PDFFiller content extraction bot

About this crawler

pdffillerbot is a web crawler identified by the regular-expression pattern pdffillerbot in the User-Agent request header. It is categorised as ai-fetcher. Use the regex above to detect, log, allow, or block pdffillerbot traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

No block-rate data for this crawler.

Technical details

Name
pdffillerbot
Pattern
pdffillerbot
Tags
ai-fetcher
Reference
http://www.pdffiller.com/en/support.htm
Added
2026/05/09
Instances
1 known sample(s)

Sample User-Agent strings

Mozilla/5.0 (compatible; pdffillerbot/1.0; +http://www.pdffiller.com/en/support.htm)

Block this crawler

robots.txt — disallow pdffillerbot:

User-agent: pdffillerbot Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} pdffillerbot [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "pdffillerbot") { return 403; }
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