A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features
Find a file
Viktor Szakats aacb90bee9
cmake/FindGSS: prioritize MIT over GNU in pkg-config detection
To match the non-pkg-config path, and also suspected user expectation.

This comes with a small incompatibility in return for more consistency.

Bug: https://github.com/curl/curl/pull/22052#discussion_r3422424979
Follow-up to 9e19a577eb #15176

Closes #22053
2026-06-16 19:11:15 +02:00
.circleci
.github GHA: update google/boringssl to v0.20260616.0 2026-06-16 16:28:02 +02:00
CMake cmake/FindGSS: prioritize MIT over GNU in pkg-config detection 2026-06-16 19:11:15 +02:00
docs _URL.md: remove the zone-id mention 2026-06-16 16:21:22 +02:00
include tidy-up: prefer spelling 'flavor', where missing 2026-06-15 03:28:42 +02:00
lib url: connection credentials origin 2026-06-16 15:57:10 +02:00
LICENSES
m4 tidy-up: miscellaneous 2026-06-14 20:10:28 +02:00
projects tidy-up: miscellaneous 2026-06-14 20:10:28 +02:00
scripts perl: open... || -> open... or (cont.) 2026-06-16 19:11:15 +02:00
src tool_writeout: fix %time{} output for %s 2026-06-16 10:17:43 +02:00
tests perl: open... || -> open... or (cont.) 2026-06-16 19:11:15 +02:00
.clang-tidy.yml
.dir-locals.el
.editorconfig
.git-blame-ignore-revs
.gitattributes
.gitignore
.mailmap mailmap: Darren Banfi 2026-06-12 14:48:12 +02:00
acinclude.m4
appveyor.sh appveyor: bump 3 VS2022 jobs to VS2026 2026-06-09 21:16:54 +02:00
appveyor.yml appveyor: bump 3 VS2022 jobs to VS2026 2026-06-09 21:16:54 +02:00
CHANGES.md
CMakeLists.txt tidy-up: prefer spelling 'flavor', where missing 2026-06-15 03:28:42 +02:00
configure.ac tidy-up: prefer spelling 'flavor', where missing 2026-06-15 03:28:42 +02:00
COPYING
curl-config.in
Dockerfile GHA: update debian:bookworm-slim Docker digest to 96e378d 2026-06-11 19:31:47 +02:00
GIT-INFO.md
libcurl.pc.in
Makefile.am
README
README.md
RELEASE-NOTES RELEASE-NOTES: synced 2026-06-11 23:28:30 +02:00
renovate.json
REUSE.toml github: Add AI usage warning to issue, doc and PR templates 2026-06-02 13:47:01 -04:00
SECURITY.md

curl logo

curl is a command-line tool for transferring data from or to a server using URLs. It supports these protocols: DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS.

Learn how to use curl by reading the man page or everything curl.

Find out how to install curl by reading the INSTALL document.

libcurl is the library curl is using to do its job. It is readily available to be used by your software. Read the libcurl man page to learn how.

Open Source

curl is Open Source and is distributed under an MIT-like license.

Contact

Contact us on a suitable mailing list or use GitHub issues/ pull requests/ discussions.

All contributors to the project are listed in the THANKS document.

Commercial support

For commercial support, maybe private and dedicated help with your problems or applications using (lib)curl visit the support page.

Website

Visit the curl website for the latest news and downloads.

Source code

Download the latest source from the Git server:

git clone https://github.com/curl/curl

Security problems

Report suspected security problems privately and not in public.

Backers

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