curl's project page on



curl groks URLs

curl is a command line tool for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, Gopher, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMTP, SMTPS, Telnet and TFTP. curl supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form based upload, proxies, cookies, user+password authentication (Basic, Digest, NTLM, Negotiate, kerberos...), file transfer resume, proxy tunneling and a busload of other useful tricks.

Possibly more than 500 million users already, I'm sure you can use it as well!

curl is free and open software that compiles and runs under a wide variety of operating systems. curl exists thanks to efforts from many contributors.

The most recent stable version of curl is version 7.36.0, released on 26th of March 2014. Currently, 96 of the listed archives are of the latest version.

Use the curl command line tool or use libcurl from within your own programs.

Found a bug or a flaw? Report a bug!

curl and proxy headers April 8 2014

curl and libcurl offer options to specify HTTP proxy headers separate from origin server headers in next version.

curl and libcurl 7.36.0 - and four security advisories! March 26 2014

The curl team proudly presents curl and libcurl 7.36.0. Read up on all the changes and bug fixes on the changes page.

Security advisories released today:

more news

Recent discussions on the mailing lists
Subject GMT Author Thread List
[curl:bugs] #1364 NTLM fails in 7.36 Wednesday 11:58Daniel Stenberg1Bugs
[curl:bugs] #1364 NTLM is still broken i... Wednesday 11:32Sorin Sbarnea1Bugs
[curl:bugs] #1363 Negotiate with SSPI no... Wednesday 10:45Marcel Raad1Bugs
[PATCH] Handle --cacert option on Mac OS... Wednesday 10:14Vilmos Nebehaj4 firstlibcurl
Null pointer being passed to gnutls_x509... Tuesday 21:28Daniel Stenberg3 firstlibcurl
curl with ssh. Tuesday 21:17Dan Fandrich2 firstlibcurl
[curl:bugs] #1360 SSL regression in 7.36... Tuesday 21:11Daniel Stenberg5 firstBugs
curl and sftp. Tuesday 21:09Dan Fandrich2 firstlibcurl
[curl:bugs] #1362 Increment the initiali... Tuesday 21:08Daniel Stenberg6 firstBugs
[PATCH 2/2] nss: implement non-blocking ... Tuesday 20:59Kamil Dudka2libcurl

donate! Page updated April 23, 2014.
web site info

File upload with ASP.NET