OptiConverter

Convert archive files online

Repackage supported ZIP, TAR, and TAR.GZ archives into another available archive format.

or drag and drop files here. Up to 50 MB each.
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Temporary files removed after responseSecure processingNo signup

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Convert archive files online

Upload an archive and select ZIP, TAR, or TAR.GZ as the output. Archive conversion extracts and repackages files while skipping unsafe paths and links. Expanded archive size is limited for safety.

Why use this archive converter?

  • Repackage supported ZIP, TAR, and TAR.GZ archives for another workflow.
  • Archive members are extracted and repackaged into the selected output.
  • Unsafe archive paths and links are skipped during processing.

ZIP vs TAR.GZ

FeatureZIPTAR.GZ
CompatibilityWidely supported on desktop systemsCommon in Unix-like environments
CompressionPer-file compressionGZIP compression over a TAR archive
Use caseGeneral file sharingBundling and compressed distribution

How to use this archive converter

  1. Choose a supported file from your device or drag it into the upload area.
  2. Select an available output format, then start the conversion.
  3. Download the converted file when processing is complete.

Frequently asked questions

Which archive formats are supported?

The converter supports ZIP, TAR, TAR.GZ, and TGZ inputs, with ZIP, TAR, and TAR.GZ outputs.

Are files inside my archive changed?

Files are repackaged into the selected archive format. Unsafe archive paths and links are skipped.

Is this tool free to use?

Yes. The converter is free to use and does not require an account.

Can I convert several files at once?

The tool processes one uploaded file per conversion. Run each file separately.

How large can my upload be?

The server accepts uploads up to 50 MB. Common browser-based image conversions are limited to 25 MB and 40 megapixels.

How are uploaded files handled?

Server conversions use temporary files that are removed after the response finishes. Browser image conversions run locally; hosting logs and optional OCR providers are controlled by the site operator. See the privacy page for details.