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DLL

zlib1.dll

Download and install zlib1.dll to fix missing or corrupted DLL errors.

(1,580 Files Available)
Last Updated
Downloads

Repository Analysis

Company
Jean-loup Gailly and Mark Adler
Product
zlib
Description
zlib data compression library
Architecture
x86-64 (64 bit) x86 (32 bit) ARM (Thumb 2) ARM64
Metadata Consensus
1/1,580 Files 0.1%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Companies

  • Zlib 14
  • 深圳市迅雷网络技术有限公司 2
  • ShenZhen Xunlei Networking Technologies,LTD 2
  • Jean-loup Gailly and Mark Adler 1
  • GnuWin32 <http://gnuwin32.sourceforge.net> 1
  • IncrediBuild Software Ltd. 1
  • Unknown 1,559

Products

  • zlib 1,303
  • ZLib.DLL 45
  • Zlib 15
  • zlib1.dll 6
  • zlib1 Library 3
  • zlib1 2
  • SteamTOP 1
  • Thunder 1
  • Thunder7 1
  • IncrediBuild 1
and 1 others…

Descriptions

  • zlib data compression library 1,300
  • zlib data compression and ZIP file I/O library 52
  • Zlib: general purpose data compression / decompression library 14
  • zlib1 Library 3
  • AliSec 2
  • zlib1.dll 2
  • zlib1 2
  • SteamTOP 1
  • Zlib1: general purpose data compression / decompression library 1
  • IncrediBuild Rest Service ZLIB DLL 1
and 1 others…

Frequently Asked Questions

What is zlib1.dll?

Metadata analysis shows zlib1.dll is a Dynamic Link Library (DLL) developed by Jean-loup Gailly and Mark Adler for zlib and is described as “zlib data compression library” .

DLL files (Dynamic Link Libraries) are shared core modules used by Windows programs to run efficiently without duplicating code. Most errors occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application, repairing Windows, or replacing the DLL resolves the issue.

How do I fix missing DLL errors?
1

Software Fix

Fully uninstall and reinstall the program causing the error. If you are not sure what program is broken, look at the available file metadata above for hints. If a clean reinstall fails, download and install the DLL file manually.

2

Windows System Fix

Make sure Windows is fully updated. To repair system files automatically, right-click the Start menu, open PowerShell (Admin), and run these two commands in order:

Step A DISM /Online /Cleanup-Image /RestoreHealth
Step B sfc /scannow
How do I install DLL files?
1

Download & Extract

Download the file, right-click the folder, and extract all files to your computer.

2

Install the .DLL

Move the extracted DLL file into the root folder of the software that is giving you the error (where its .exe file is located), or place it in the system directory below:

32-bit → C:\Windows\SysWOW64
64-bit → C:\Windows\System32
3

Restart the Program

Close and reopen the program or game so Windows can look for and load the new DLL file.

How do I register DLL files?

Most DLL files do not need registration. However, if your file is a COM component and requires explicit system registration, follow these steps:

1

Open Terminal

Right-click the Start menu and open PowerShell (Admin) or Command Prompt (Admin).

2

Run Command

Type the command below for your file type and press Enter. You can drag and drop the DLL file directly into the terminal window to fill its path automatically.

64-bit regsvr32 "C:\path\to\filename.dll"
32-bit C:\Windows\SysWOW64\regsvr32 "C:\path\to\filename.dll"

Latest Releases

NEW Verified
zlib1.dll
Incomplete Metadata
Uploaded: Aug 20, 2026   Size: 497.7KB
SHA256: 6cd27d5422299018a914f9db313ab557e2a73dda654a5ac4a06d90a3c5cd279a
SHA1: 8079141d9833b6f80b8d2fc1951896cd2984a3cb
MD5: d4f8699e96ac1ea44c70e11305b51467
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
zlib1.dll
for zlib
zlib data compression library
For more information visit http://www.zlib.net/
Version: 1.2.12
Product Version: 1.2.12
Language: U.S. English (1033)
Uploaded: Aug 20, 2026   Size: 92.5KB
SHA256: 36ed0e52a412c9b3b9507ce60bb2b7eaa73efa15d6e3d2866b335c8f99cf5f82
SHA1: 7f0fb9b721b08f4f3567fbe8d0a61547e51ec324
MD5: 3b64ceb7cd5ed71c19a16e0adf73eb37
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
zlib1.dll
for zlib
zlib data compression library
For more information visit http://www.zlib.net/
Version: 1.3.1
Product Version: 1.3.1
Language: U.S. English (1033)
Uploaded: Aug 20, 2026   Size: 87.7KB
SHA256: 91ea66dbdb5dc41103f242f1e743b60099cbd2cf6c687c092bd5e074fc5aa0cc
SHA1: 93cd5c37d31d7117fec9d38c6ddb0a3278e6d924
MD5: 57abcf327ceabf6ed8eb41f308f4854b
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
NEW Verified
zlib1.dll
Incomplete Metadata
Uploaded: Aug 20, 2026   Size: 103.9KB
SHA256: 45e6c6f8c254a842b861f1a437d44a49540f40529d0069495690c241806df069
SHA1: df08f07c6d53306091340c728570b8064be246f7
MD5: 460eefd001eac7e52213d12bbe22e200
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
NEW Verified
zlib1.dll
for zlib
zlib data compression library
For more information visit http://www.zlib.net/
Version: 1.2.13
Product Version: 1.2.13
Language: U.S. English (1033)
Uploaded: Aug 20, 2026   Size: 99.4KB
SHA256: e630ed426f31e53ab817dc9bd8d01cdd2b9c4a6b3c9ebee92d3803f0e3ea876a
SHA1: ba707aa4b721d6da4457b9b197cb5adbbd72a567
MD5: a2c35e9d13d3ad54c09adc30e6fb4d97
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD