ACE to ZIP Converter
Convert ACE to ZIP online for free. Fast, secure, and high-quality conversion with no sign-up or software required.
Maximum file size is 1GB
How it works
Three steps to your converted file
Everything happens in your browser tab - upload, pick a format, download. The heavy lifting runs on our servers.
Upload your file
Drag and drop, click to browse, or paste a URL. Batches take up to 20 files at once - 230+ input formats across video, audio, image, document, and archive types.
Choose an output format
Pick from over a hundred output formats. Filter by category or search by name - every option is open to everyone, no account needed.
Convert & download
Hit Convert and grab your download link moments later. Originals are erased when the job completes; results are cleared within about an hour.
What is an ACE file?
The ACE file extension denotes a proprietary data compression archive format originally developed by Marcel Lemke of e-merge GmbH for the WinAce software. Utilizing a compression algorithm derived from LZ77 dictionary coding and Huffman encoding, the format historically offered higher compression ratios than the standard ZIP Deflate algorithm. ACE archives support robust features including 4096-bit Blowfish encryption, multi-volume spanning, and integrity verification via CRC32 checksums, though the format is now considered legacy following the discovery of the critical CVE-2018-20250 path traversal vulnerability in the widely used unacev2.dll library.
How to open an ACE file
Operating systems do not provide native support for ACE archives; users must utilize third-party file compression software for extraction. While the original WinAce utility is discontinued, specific multi-format archivers such as PeaZip or BitZipper maintain backward compatibility for decompression. Notably, major utilities like WinRAR and 7-Zip have deprecated or excluded native ACE support to mitigate security risks associated with the format's legacy dynamic link libraries.
ACE Technical Info
- Full Name
- ACE Archive
- Developed By
- Marcel Lemke (e-merge GmbH)
- Initial Release
- 1999
- MIME Type
- application/x-ace-compressed
What is a ZIP file?
The ZIP format is an archive file format capable of lossless data compression, originally created by Phil Katz of PKWARE. It utilizes a Central Directory structure to catalog files and supports various compression algorithms, most notably DEFLATE (RFC 1951). The format is standardized under ISO/IEC 21320-1:2015 as a document container file and serves as the base structure for modern file types like .docx and .jar.
How to open a ZIP file
The ZIP format enjoys universal native support across all major operating systems, including Windows (File Explorer), macOS (Archive Utility), and Linux. No third-party software is strictly required for basic extraction, though power users often employ tools like 7-Zip or WinRAR to access advanced features like AES-256 encryption or multi-volume spanning.
ZIP Technical Info
- Full Name
- ZIP Archive
- Developed By
- Phil Katz (PKWARE)
- Initial Release
- 1989
- MIME Type
- application/zip
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Convert ACE to ZIP in seconds
Every ACE to ZIP conversion runs on our servers, so your device stays fast and the output quality stays intact.
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No queue, no waiting. Files are processed on high-performance servers and returned in seconds, even for large files.
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Encrypted in transit and never shared with anyone. Uploads are erased the moment your job completes, and results shortly after.
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Developer API
Convert ACE to ZIP via API
Automate ACE to ZIP conversions in three steps: create a job, upload your file, then poll for the result.
# 1. Create job
curl -X POST https://api.runconvert.com/v3/jobs \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"tag": "ace-to-zip",
"tasks": {
"upload-file": {
"operation": "import/upload"
},
"convert": {
"operation": "convert",
"input": "upload-file",
"output_format": "zip"
},
"export-result": {
"operation": "export/url",
"input": "convert"
}
}
}'
# 2. Upload your file (use upload_url from the response)
curl -X PUT "$UPLOAD_URL" --upload-file input.ace
# 3. Poll for result
curl https://api.runconvert.com/v3/jobs/$JOB_ID?include=tasks \
-H "Authorization: Bearer YOUR_API_KEY"Replace YOUR_API_KEY with your RunConvert API key. Get your free API key at runconvert.com/api.