Bento4 is a C++ class library and tools designed to read and write ISO-MP4 files. This format is defined in international specifications ISO/IEC 14496-12, 14496-14 and 14496-15. The format is a derivative of the Apple Quicktime file format, so Bento4 can be used to read and write most Quicktime files as well. In addition to supporting ISO-MP4, Bento4 includes support for parsing and multiplexing H.264 and H.265 elementary streams, converting ISO-MP4 to MPEG2-TS, packaging HLS and MPEG-DASH, CMAF, content encryption, decryption, and much more.
Features
A number of formats and features based on the ISO-MP4 format and related technologies are also supported, including:
- MPEG DASH with fragmented MP4 files, as defined in the international specification ISO/IEC 23009-1
- HLS with TS or MP4 segments (dual DASH/HLS output), as defined in RFC 8216
- CMAF (Common Media Application Format) as defined in ISO/IEC 23000-19
- MPEG Common Encryption (CENC) as specified in the international specification ISO/IEC 23001-7
- PIFF (Protected Interoperable File Format), and encrypted, fragmented MP4 format specified by Microsoft and used for encrypted HTTP Smooth Streaming.
- Reading and writing 3GPP and iTunes-compatible metadata.
- ISMA Encrytion and Decryption as defined in the ISMA E&A specification
- OMA 2.0 and 2.1 DCF/PDCF Encryption and Decryption as defined in the OMA specifications.
- ISO-MP4 files profiled as part of the 3GPP family of standards.
- The UltraViolet (DECE) CFF (Common File Format).
- Parsing and multiplexing of H.264 (AVC) video and AAC audio elementary streams
- Support for multiple DRM systems that are compatible with MP4-formatted content (usually leveraging CENC Common Encryption), such as Marlin, PlayReady, Widevine, FairPlay and Adobe Access.
- Support for a wide range of codecs, including H.264 (AVC), H.265 (HEVC), AAC, HE-AAC, xHE-AAC, AC3 and eAC3 (Dolby Digital), AC4, Dolby Atmos, DTS, ALAC, and many more.
- Support for Dolby Vision and HDR.
The SDK is designed to be cross-platform. The code is very portable; it can be compiled with any sufficiently modern C++ compiler. The implementation does not rely on any external library. All the code necessary to compile the SDK and tools is included in the standard distribution. The standard distribution contains makefiles for unix-like operating systems, including Linux and Android, project files for Microsoft Visual Studio, and an XCode project for MacOS X and iOS. There is also support for building the library with the SCons build system as well as CMake.
發行商的介紹（英文）
Bento4是什麼軟體？
Bento4是Axiomatic Systems, LLC.推出的一款免費的Windows軟體。
安裝與系統需求
官方提供適用於64位元系統的安裝檔，格式為免安裝版。主要安裝檔大小為6.9 MB。不需安裝即可執行（免安裝版）。
優點 / 缺點
優點
- 免費使用
- 免安裝版，不需安裝即可執行
- 安裝檔小（6.9 MB）
缺點
- 沒有原生ARM64版本
- 超過一年沒有更新
總結: Bento4是一款適用於64位元電腦的免費Windows軟體。更新已明顯變慢。
Bento4下載安全嗎？
- 檔案由bok.net提供，請確認它是開發商的官方鏡像站
- 下載連結使用HTTPS
- 已公布SHA256值，可驗證檔案完整性:
6916A390F75878872594BE74554B8B54AB220BB29812424441A8E1ECC9A6AC5E· 查看這個雜湊值的VirusTotal報告 - 最近一次檢查時連結可正常存取（2026年10月22日）
- ExeAtlas不存放、不綑綁、也不修改安裝檔
相關教學: Windows如何驗證檔案的SHA256雜湊值
近期版本
全部1個版本 ›用指令安裝
靜默安裝 ›winget install --id AxiomaticSystems.Bento4 -escoop install main/bento4程式檔（.exe）: aac2mp4.exe, mp42aac.exe, mp42avc.exe, mp42hevc.exe, mp42hls.exe, mp42ts.exe, mp4audioclip.exe, mp4compact.exe, mp4dcfpackager.exe, mp4decrypt.exe, mp4diff.exe, mp4dump.exe, mp4edit.exe, mp4encrypt.exe, mp4extract.exe, mp4fragment.exe
相關教學: winget教學：用指令安裝與更新軟體
其他作業系統版本
brew install bento4軟體資訊
- 發行商
- Axiomatic Systems, LLC.
- 授權
- Freeware
- 價格
- 免費
- 系統需求
- Windows 11 / 10
- 架構
- 64位元
- 安裝檔類型
- 免安裝版
- 版本
- 1.6.0-641
- 發行日期
- 2025年7月23日
- 收錄日期
- 2025年7月23日
- 收錄版本數
- 1
- 官方網站
- bento4.com
- winget ID
- AxiomaticSystems.Bento4
- Scoop套件名稱
- main/bento4
評分與評論
目前還沒有評論，歡迎成為第一個評分的人。
常見問題
Bento4是免費的嗎？
是的。Bento4是免費軟體，可以免費使用。
Bento4下載安全嗎？
安裝檔來自bok.net；ExeAtlas不存放也不修改檔案。可以把下載檔案的SHA256值和本頁顯示的值比對，或查看這個雜湊值的VirusTotal報告。
如何用winget安裝Bento4？
開啟PowerShell或Windows終端機，執行本頁提供的winget指令即可。winget會下載官方安裝檔，並在執行前驗證它的SHA256值。
Bento4能在ARM電腦（Windows on Arm）上執行嗎？
沒有ARM64版本；Windows 11 on Arm可以透過模擬執行64位元版本。
沒有系統管理員權限可以用Bento4嗎？
可以，它是免安裝版，解壓縮後直接執行。