ACE to TAR Converter

Convert ACE to TAR online for free. Fast, secure, and high-quality conversion with no sign-up or software required.

Free to useNo file stored beyond 1 hourEncrypted over TLS 1.2/1.3No watermarks

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Maximum file size is 1GB

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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 TAR file?

The TAR (Tape Archive) format is a file format standardized by POSIX.1-1988 and later POSIX.1-2001 (pax), originally developed for writing data to sequential I/O devices like magnetic tape drives. Unlike modern archive formats, TAR is purely a container format that concatenates multiple files into a single archive without native compression, preserving file system attributes such as user/group permissions, dates, and directory structures. It is frequently paired with compression utilities like Gzip or Bzip2 in Unix-like environments.

How to open a TAR file

Most Unix-based systems (Linux, macOS, BSD) include native support via the GNU Tar command-line utility. Windows does not natively support TAR extraction in versions prior to Windows 10 (Build 17063), requiring third-party tools. For cross-platform compatibility, 7-Zip and WinRAR are standard utilities for inspecting and extracting TAR containers.

TAR Technical Info

Full Name: Tape Archive
Developed By: AT&T Bell Laboratories
Initial Release: 1979
MIME Type: application/x-tar

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Why RunConvert

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Convert ACE to TAR in seconds

Every ACE to TAR conversion runs on our servers, so your device stays fast and the output quality stays intact.

Fast, cloud-powered

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 TAR via API

Automate ACE to TAR 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-tar",
    "tasks": {
      "upload-file": {
        "operation": "import/upload"
      },
      "convert": {
        "operation": "convert",
        "input": "upload-file",
        "output_format": "tar"
      },
      "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.