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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Daniel Stenberg 4e0bfd8cf7
mprintf: simplify parsefmt
- split out parse_flags() and parse_conversion() to reduce complexity
  from 57 to 30.

Closes #21391
2026-04-21 08:33:28 +02:00
.circleci
.github GHA: bump test minimums (more) 2026-04-20 10:47:19 +02:00
CMake tidy-up: miscellaneous 2026-04-14 01:08:32 +02:00
docs docs/libcurl: improve easy setopt examples 2026-04-18 23:34:39 +02:00
include clang-tidy: enable more checks, fix fallouts 2026-04-14 02:20:16 +02:00
lib mprintf: simplify parsefmt 2026-04-21 08:33:28 +02:00
LICENSES spacecheck: check long lines and repeat spaces, fix fallouts 2026-03-25 11:02:08 +01:00
m4 tidy-up: miscellaneous 2026-04-14 01:08:32 +02:00
projects build: link bcrypt.lib via vcxproj files 2026-04-20 16:29:25 +02:00
scripts unittests: cleanups 2026-04-15 23:32:38 +02:00
src build: fix -Wformat-signedness by adjusting printf masks 2026-04-16 10:32:50 +02:00
tests tests: avoid infinite recursion for make check 2026-04-20 00:44:21 +02:00
.clang-tidy.yml clang-tidy: enable more checks, fix fallouts 2026-04-14 02:20:16 +02:00
.dir-locals.el copyright: update all copyright lines and remove year ranges 2023-01-03 09:19:21 +01:00
.editorconfig
.git-blame-ignore-revs
.gitattributes
.gitignore
.mailmap tool: fix two more allocator mismatches 2026-03-30 16:17:42 +02:00
acinclude.m4
appveyor.sh
appveyor.yml
CHANGES.md CHANGES: fix typo in filename 2026-01-01 12:20:10 +01:00
CMakeLists.txt build: skip detecting pipe2() for Apple targets 2026-04-08 23:32:25 +02:00
configure.ac
COPYING
curl-config.in autotools: tidy-up if expressions 2025-12-10 22:29:19 +01:00
Dockerfile
GIT-INFO.md
libcurl.pc.in
Makefile.am rtmp: drop support 2026-03-21 14:56:06 +01:00
README
README.md rtmp: drop support 2026-03-21 14:56:06 +01:00
RELEASE-NOTES RELEASE-NOTES: synced 2026-04-16 22:56:46 +02:00
renovate.json renovate: use standard bump formula for OpenSSL 2026-04-15 10:17:33 +02:00
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

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Report suspected security problems privately and not in public.

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