cURL 8.13.0 freeware

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curl is a command line utility for transferring files with URL syntax, supporting FTP, FTPS, TFTP, HTTP, HTTPS, GOPHER, TELNET, DICT, FILE and LDAP. curl supports HTTPS 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. ...

Author Daniel Stenberg
Released 2025-04-02
Filesize 6.30 MB
Downloads 2766
OS Windows All
Installation Instal And Uninstall
Keywords cURL, file transfer, URL syntax, proxy tunneling, transfer, TELNET, proxy, syntax
Users' rating
(38 rating)
cURLText / Document EditorsWindows All
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cURL freeware - The Latest User Reviews
cURL freeware - The Latest Versions History
8.13.0 Apr 2, 2025 New Release Changes:
curl: add write-out variable 'tls_earlydata'
curl: make --url support a file with URLs
gnutls: set priority via --ciphers
IMAP: add CURLOPT_UPLOAD_FLAGS and --upload-flags
lib: add CURLFOLLOW_OBEYCODE and CURLFOLLOW_FIRSTONLY
OpenSSL/quictls: add support for TLSv1.3 early data
rustls: add support for CERTINFO
rustls: add support for SSLKEYLOGFILE
rustls: support ECH w/ DoH lookup for config
rustls: support native platform verifier
var: add a '64dec' function that can base64 decode a string
wolfssl: tls early data support
Bugfixes:
addrinfo: add curl macro to avoid redefining foreign symbols
asyn-thread: avoid the separate 'struct resdata' alloc
asyn-thread: avoid the separate curl_mutex_t alloc
asyn-thread: do not allocate thread_data separately
asyn-thread: remove 'status' from struct Curl_async
autotools: fix `dllmain.c` in unity builds
autotools: fix `libtest` bundle to depend on `FIRSTFILES`
autotools: use `CURLDEBUG` to exclude TrackMemory code from unity
aws_sigv4: cannot be used for proxy
aws_sigv4: merge repeated headers in canonical request
aws_sigv4: use strparse more for parsing
base64: drop `BUILDING_CURL` macro, always include in tests/server
build: add Windows CE / CeGCC support, with CI jobs
build: cmake multi-pkg-config detection improvements (brotli, ldap, mbedtls)
build: do not apply curl debug macros to `tests/server` by default
build: drop unused `getpart` tool
build: enable -Wjump-misses-init for GCC 4.5+
build: enable `-Wcast-qual`, fix or silence compiler warnings
build: fix compiler warnings in feature detections
build: replace Curl_ prefix with curlx_ for functions used in servers
build: set `-O3` and tune WinCE in CI, fix `getpart`, `vtls_scache` fallouts
build: set `HAVE_STDINT_H` if `stdint.h` is available
build: set `HAVE_WRITABLE_ARGV` for Apple cross-builds
build: silence bogus `-Wconversion` warnings with gcc 5.1-5.4
build: silence mingw32ce C99 format warnings, simplify CI
build: tidy-ups around `inet_pton`
c-ares httpsrr: f
8.12.1 Feb 13, 2025 New Release Bugfixes:
all: remove FIXME and TODO comments
asyn-thread: fix build with `CURL_DISABLE_SOCKETPAIR`
asyn-thread: fix HTTPS RR crash
asyn-thread: fix the returned bitmask from Curl_resolver_getsock
asyn-thread: survive a c-ares channel set to NULL
build: add tool_hugehelp.c into IBMi build
checksrc.pl: warn on FIXME/TODO comments
cmake/Find: set `<Modulename>_FOUND` for compatibility when found via `pkg-config`
cmake: add integration tests, run them in CI
cmake: always reference OpenSSL and ZLIB via imported targets
cmake: avoid unnecessary `-L` for implicit link dirs
cmake: drop `LDAP_DEPRECATED=1` macro, to sync with autotools
cmake: fix `HAVE_GETHOSTBYNAME_R_*` detections with `CURL_WERROR=ON`
cmake: fix to detect `HAVE_OPENSSL_SRP` in MSVC UWP builds
cmake: fix/add missing feature detections for Windows/MS-DOS
cmake: initialize variables where missing
cmake: lib order fixes for picky linkers (e.g. binutils `ld`)
cmake: normalize before matching paths with syspaths
cmake: respect `GNUTLS_CFLAGS` when detected via `pkg-config`
cmake: respect `GNUTLS_LIBRARY_DIRS` in `libcurl.pc` and `curl-config`
cmake: save a line with `CMAKE_C_IMPLICIT_LINK_DIRECTORIES` exclusion
cmake: tidy up string append and list prepend syntax
configure/cmake: check for realpath
configure/cmake: set asyn-rr a feature only if httpsrr is enabled
content_encoding: #error on too old zlib
curl_global_sslset.md: Add SSL backend names
CURLOPT_SSH_KNOWNHOSTS.md: strongly recommend using this
CURLSHOPT_SHARE.md: adjust for the new SSL session cache
docs: better explain multi-part byte range behavior
docs: use valid example domain names
generate.bat: remove curl_get_line.c from the curlx file list
header.md: mention `Authorization:` and `Cookie:` special treatment
imap: TLS upgrade fix
INTERNALS: fix c-ares, as we actually support 1.6.0 or later
ldap: drop support for legacy Novell LDAP SDK
lib: include necessary headers for `inet_ntop`/`inet_pton`
lib: silence LibreSSL collision warning on non-
8.12.0 Feb 5, 2025 New Release Changes:
curl: add byte range support to --variable reading from file
curl: make --etag-save acknowledge --create-dirs
getinfo: fix CURLINFO_QUEUE_TIME_T and add 'time_queue' var
getinfo: provide info which auth was used for HTTP and proxy
hyper: drop support
openssl: add support to use keys and certificates from PKCS#11 provider
QUIC: 0RTT for gnutls via CURLSSLOPT_EARLYDATA
vtls: feature ssls-export for SSL session im-/export
Bugfixes:
altsvc: avoid integer overflow in expire calculation
altsvc: return error on dot-only name
android: add CI jobs, buildinfo, cmake docs, disable `CURL_USE_PKGCONFIG` by default
asyn-ares: acknowledge CURLOPT_DNS_SERVERS set to NULL
asyn-ares: fix memory leak
asyn-ares: initial HTTPS resolve support
asyn-thread: use c-ares to resolve HTTPS RR
async-thread: avoid closing eventfd twice
autotools: add support for mingw UWP builds
autotools: silence gcc warnings in libtool code
binmode: convert to macro and use it from tests
build: delete `-Wsign-conversion` related FIXMEs
build: drop `-Winline` picky warning
build: drop `tool_hugehelp.c.cvs`, tidy up macros, drop `buildconf.bat`
build: drop unused feature macros, update exception list
build: fix `-Wtrampolines` picky warning for gcc 4.x versions
build: fix compiling with GCC 4.x versions
build: fix the tidy targets for autotools
build: fix unsigned `time_t` detection for cmake, MS-DOS, AmigaOS
build: replace configure check with PP condition (Android <21)
build: stop detecting `sched_yield()` on Windows
c-ares: fix/tidy-up macro initializations, avoid a deprecated function
cd2nroff: do not insist on quoted <> within backticks
cd2nroff: support "none" as a TLS backend
cf-https-connect: look into httpsrr alpns when available
cf-socket: error if address can't be copied
cfilters: kill connection filter events attach+detach
checksrc.bat: remove explicit SNPRINTF bypass
checksrc: ban use of sscanf()
checksrc: check for return with parens around a value/name
checksrc: exclude

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