What is the best Back link checker tools for SEO?

SEO MOZ is the best Tool for Back Link Checking

moz.com, seoprofiler.com, semrush AND much more

Rank Signal
Backlink Checker
Backlink Watch

Best backlink checker tool: seoprofiler.

moz.com, seoprofiler.com, semrush

webmaster and majtics, moz.com

I think webmaster tools, majtics and moz.com

SEMrush is great to use for SEO.

Seoprofiler is best tool i ever use

Use backlinkwatch.com and moz.com
else try linkody.com

You can check SEOPROFILER for checking backlinks of your competitor, It's free and maximum 2 domains allowed at a time.

SEO small tool is one of the best backlink checker. and get free this tool directly from techjockey. India's No. 1 business software selling portal.

Free - backlinkwatch.com
paid - majestic.com and SEMrush

backlinkwatch.com
search for backlinks.

Ahrefs and majestic are best for backlinks.

Backlink Checker from SEMRUSH

Backlink Checker from MOZ

Google Webmaster tools, i think so

ahrefs.com
majestic.com

shoutmeloud.com
using this tool we can get top number of backlinks of a domain.