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
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Stefan Eissing 24874a4f04
scorecard: add support for http: testing
Add option `--http-plain` to test against httpd without
using TLS.

Closes #21805
2026-05-31 16:58:11 +02:00
.circleci
.github GHA: update dependency ngtcp2/nghttp3 to v1.16.0 2026-05-31 14:17:14 +02:00
CMake cmake: opt in MSVC_VERSION 1951 to picky warnings 2026-05-21 15:16:21 +02:00
docs h3-proxy: rename feature 'Proxy/PROXY-HTTP3' to 'proxy-HTTP3' 2026-05-28 12:52:50 +02:00
include tidy-up: add space around operators, where missing 2026-05-28 10:12:00 +02:00
lib h3-proxy: fix callback return values, and a typo in tests 2026-05-28 23:32:33 +02:00
LICENSES
m4 build: say 'experimental' in option descriptions 2026-05-28 12:52:50 +02:00
projects tidy-up: miscellaneous 2026-05-27 16:53:57 +02:00
scripts tidy-up: add space around operators, where missing 2026-05-28 10:12:00 +02:00
src tidy-up: add space around operators, where missing 2026-05-28 10:12:00 +02:00
tests scorecard: add support for http: testing 2026-05-31 16:58:11 +02:00
.clang-tidy.yml
.dir-locals.el
.editorconfig
.git-blame-ignore-revs
.gitattributes
.gitignore
.mailmap mailmap: cmeister2@gmail is primary for Max Dymond 2026-05-24 12:02:26 +02:00
acinclude.m4 build: omit zlib pkg-config reference for Android 2026-05-17 13:27:06 +02:00
appveyor.sh
appveyor.yml
CHANGES.md
CMakeLists.txt h3-proxy: rename feature 'Proxy/PROXY-HTTP3' to 'proxy-HTTP3' 2026-05-28 12:52:50 +02:00
configure.ac h3-proxy: rename feature 'Proxy/PROXY-HTTP3' to 'proxy-HTTP3' 2026-05-28 12:52:50 +02:00
COPYING
curl-config.in
Dockerfile Dockerfile: fix typo in variable name 2026-05-20 13:01:56 +02:00
GIT-INFO.md
libcurl.pc.in
Makefile.am
README
README.md
RELEASE-NOTES tidy-up: miscellaneous 2026-05-27 16:53:57 +02:00
renovate.json
REUSE.toml
SECURITY.md

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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.

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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.

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