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Open an .asics file online

ASiC-S is a simple container that binds a single file to a signature or time stamp. Drop an .asics or .scs file here.

Your file never leaves your deviceFree, no account

What is an .asics file?

ASiC-S (Associated Signature Container Simple) is the simpler form of the ETSI EN 319 162-1 standard: the container holds exactly one data file plus the signature or time stamp associated with it. The extensions are .asics and .scs.

In Estonia, .asics files most often appear when an old .ddoc file has been re-time-stamped to preserve its evidential value: the original DDOC is placed in an ASiC-S container together with a time stamp. ASiCE Viewer opens such a container and lets you open the .ddoc inside it in turn.

ASiC-S (.asics)
File extension.asics, .scs
MIME typeapplication/vnd.etsi.asic-s+zip
StandardETSI EN 319 162-1 (ASiC)
ContentOne data file + signature (XAdES / CAdES) or time stamp

How to open an .asics file

  1. Choose the file

    Drop the file into the box on this page, or press the box and pick a file from your computer, phone or tablet.

  2. Read the documents

    The container is unpacked in your browser. PDF, Word, Excel, image and text files open in the preview straight away.

  3. Check signatures and download

    See each signer's name and signing time, and download the files one by one or all at once.

Opening the file on a computer and on a phone

Windows, macOS and Linux: open asiceviewer.com in a browser and drop the file onto the page. If you need an official validity confirmation, open the same file in the DigiDoc4 client too.

Android: open the page in Chrome and pick the file from Downloads, or install the ASiC-E Viewer app, which also opens files offline.

iPhone and iPad: save the attachment to the Files app, open asiceviewer.com in Safari and choose the file from there.

ASiC-E Viewer app icon

ASiC-E Viewer for Android

Open signed containers on your phone, even offline. See the signature details and export documents to PDF or Word.

  • Works offline
  • .asice · .bdoc · .edoc · .adoc · .p7s
  • Export to PDF and DOCX
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Questions about .asics files

What is the difference between ASiC-S and ASiC-E?

ASiC-S holds a single data file; ASiC-E can hold several files and several signatures. Estonia's DigiDoc4 uses ASiC-E for signing.

Why is there a .ddoc inside my .asics file?

It is an old DDOC file that has been re-time-stamped. Open the .asics here, select the .ddoc inside and press “Open container” to see the original documents and signatures.

Other supported formats