ASiCE Viewer blog
Practical guides to electronically signed containers: opening an .asice file, reading who signed it, checking the signature, and getting the documents out.
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The ten guides most readers need first.
- Viewers and readers
ASiC-E Viewer: what it is and what it shows you
An ASiC-E viewer opens signed .asice containers and shows the documents, the signers and the signing time. Here is what to expect and how to use one.
Read article → - Opening files
Open an ASiC-E file in 30 seconds
The quickest way to open an ASiC-E file: drop it into your browser. Three steps, no installation, and a checklist of what to look at once it is open.
Read article → - Viewers and readers
ASiC-E File Viewer: see every file inside the container
An ASiC-E file viewer lists every file in a signed container, including the technical ones. Learn what mimetype, manifest.xml and signatures0.xml are for.
Read article → - Viewers and readers
ASiC-E Online Viewer: how it works inside your browser
How an ASiC-E online viewer unpacks a signed container inside the browser: ZIP reading, XML parsing, digest checks and document rendering, all client-side.
Read article → - Opening files
How to open ASiC-E files: choose the method that fits your goal
How to open ASiC-E files depends on your goal: read, validate, sign or extract. A decision guide with the right tool for each on every platform.
Read article → - Opening files
ASiC-E File Opener: why double-clicking fails and how to fix it
No program is registered for .asice files, so double-clicking does nothing. Here is how to pick an ASiC-E file opener on Windows, macOS and Android.
Read article → - Viewers and readers
Free ASiC-E Viewer: the free options compared
Every free ASiC-E viewer compared: the web viewer, the DigiDoc4 client and mobile apps. What each one costs, needs and can do, in one honest table.
Read article → - Signatures and verification
ASiC-E signature verification: the four layers of checking
ASiC-E signature verification has four layers: file integrity, signature mathematics, certificate trust and revocation. See which tool checks which.
Read article → - Converting and extracting
ASiC-E to PDF: how to get the PDF out of a signed container
ASiC-E to PDF in practice: if a PDF is inside the container, download it; if it is a Word file, export it. And what happens to the signature.
Read article → - Viewers and readers
ASiC-E Reader: read the documents inside a signed container
An ASiC-E reader displays the PDF, Word and Excel documents inside a signed container. Zoom, accented letters, large files and password-protected PDFs.
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Viewers and readers
What an ASiC-E viewer shows and how the different kinds of viewer compare.
- Viewers and readers
ASiC-E Viewer: what it is and what it shows you
An ASiC-E viewer opens signed .asice containers and shows the documents, the signers and the signing time. Here is what to expect and how to use one.
Read article → - Viewers and readers
ASiC-E File Viewer: see every file inside the container
An ASiC-E file viewer lists every file in a signed container, including the technical ones. Learn what mimetype, manifest.xml and signatures0.xml are for.
Read article → - Viewers and readers
ASiC-E Online Viewer: how it works inside your browser
How an ASiC-E online viewer unpacks a signed container inside the browser: ZIP reading, XML parsing, digest checks and document rendering, all client-side.
Read article → - Viewers and readers
ASiC-E Reader: read the documents inside a signed container
An ASiC-E reader displays the PDF, Word and Excel documents inside a signed container. Zoom, accented letters, large files and password-protected PDFs.
Read article → - Viewers and readers
ASiC-E Document Viewer: contracts, invoices and attachments
An ASiC-E document viewer shows every document in a signed container. See which papers are usually signed and how to handle several files in one container.
Read article → - Viewers and readers
Free ASiC-E Viewer: the free options compared
Every free ASiC-E viewer compared: the web viewer, the DigiDoc4 client and mobile apps. What each one costs, needs and can do, in one honest table.
Read article → - Viewers and readers
Online ASiC-E File Viewer: what it can and cannot do
An honest list of what an online ASiC-E file viewer can do, such as preview, signer details and integrity checks, and what it cannot: sign, decrypt, validate.
Read article → - Viewers and readers
ASiC-E Viewer free of charge: is a free viewer safe?
ASiC-E viewer free of charge sounds good, but is it safe? Five questions to ask any free tool before you open a signed contract with it.
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ASiC-E Document Reader for people who handle signed files daily
An ASiC-E document reader for people who handle signed files daily: quick routines for accountants, HR specialists, lawyers and property managers.
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ASiC-E Archive Viewer: what a ZIP tool shows and what it misses
An .asice file opens in 7-Zip or WinRAR, but an ASiC-E archive viewer shows what a ZIP tool cannot: signers, signing time and file integrity.
Read article → - Viewers and readers
ASiC-E Viewer online, free: no sign-up, no hidden limits
ASiC-E viewer online free of charge: no registration, no file-count limits, no watermarks. What is included, and the only limits that exist.
Read article → - Viewers and readers
Best ASiC-E Viewer: how to choose the right one for your needs
The best ASiC-E viewer depends on what you need: quick reading, official validation, signing or mobile use. Criteria and an honest recommendation.
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Opening files
Every way to open an .asice file, from the quickest to the most official.
- Opening files
ASiC-E File Opener: why double-clicking fails and how to fix it
No program is registered for .asice files, so double-clicking does nothing. Here is how to pick an ASiC-E file opener on Windows, macOS and Android.
Read article → - Opening files
Open an ASiC-E file in 30 seconds
The quickest way to open an ASiC-E file: drop it into your browser. Three steps, no installation, and a checklist of what to look at once it is open.
Read article → - Opening files
Open ASiC-E files online: when it makes sense and what to check
You can open ASiC-E files online without installing anything. Learn the difference between uploading a contract and opening it locally in the browser.
Read article → - Opening files
ASiC-E File Opener Online: from e-mail attachment to readable document
Got an .asice attachment in Gmail or Outlook? Use an ASiC-E file opener online: save the attachment, drop it into the browser and read it. Phone steps too.
Read article → - Opening files
How to open ASiC-E files: choose the method that fits your goal
How to open ASiC-E files depends on your goal: read, validate, sign or extract. A decision guide with the right tool for each on every platform.
Read article → - Opening files
How to open an ASiC-E file you just received
First time you see an .asice file? What it is, whether it is safe, how to open an ASiC-E file step by step, and what to answer the person who sent it.
Read article → - Opening files
View ASiC-E files online on a locked-down or shared computer
No admin rights, a Chromebook or a shared PC? View ASiC-E files online in the browser, and leave no trace of the document behind when you close the tab.
Read article → - Opening files
Open ASiC-E without software: three no-install methods
Three ways to open ASiC-E without software installation: a browser viewer, the ZIP rename trick and your phone. What each shows and where it stops.
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The ASiC-E format
What is inside the container and how the standard is built.
- The ASiC-E format
ASiC-E File Reader: reading a container by hand
For developers and the curious: read an ASiC-E file without special software. Unzip it, check mimetype, and find the signer and digests in signatures0.xml.
Read article → - The ASiC-E format
ASiC-E file format: the structure of the container
The ASiC-E file format explained: ETSI EN 319 162-1, the ZIP layout, mimetype, manifest.xml, XAdES and CAdES signatures and the baseline levels.
Read article → - The ASiC-E format
What is an ASiC-E file? A plain-language explanation
What is an ASiC-E file? A sealed digital envelope holding documents and electronic signatures. Who creates them, why they matter and how to read one.
Read article → - The ASiC-E format
ASiC-E file extension: .asice, .sce and their relatives
The ASiC-E file extension is .asice or .sce. How it relates to .bdoc, .ddoc, .edoc, .adoc, .asics and .cdoc, and why you should not rename it.
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Signatures and verification
Who signed, when, and how far a check can be trusted.
- Signatures and verification
Read ASiC-E files: how to understand the signature panel
How to read ASiC-E files properly: what signer, signing time, time stamp, role and the levels XAdES-B, T, LT and LTA mean in the signature panel.
Read article → - Signatures and verification
ASiC-E signature verification: the four layers of checking
ASiC-E signature verification has four layers: file integrity, signature mathematics, certificate trust and revocation. See which tool checks which.
Read article → - Signatures and verification
Verify an ASiC-E signature: the quick check and the official check
How to verify an ASiC-E signature in two stages: a one-minute pre-check in the browser and an official validation in DigiDoc4, step by step.
Read article → - Signatures and verification
ASiC-E Signature Validator: what the results mean
An ASiC-E signature validator answers valid, valid with warnings, invalid or unknown. What each result means and the usual reasons behind it.
Read article → - Signatures and verification
ASiC-E Validation Tool: options for users, organisations and developers
Which ASiC-E validation tool fits your case? Desktop clients, validation services and open-source libraries for end users, organisations and developers.
Read article → - Signatures and verification
ASiC-E certificate verification: reading the signer's certificate
ASiC-E certificate verification explained: subject, serial number, issuer, validity period and OCSP, and why an expired certificate is not a problem.
Read article → - Signatures and verification
ASiC-E Digital Signature Viewer: see who signed and when
Use an ASiC-E digital signature viewer to see who has signed, who is still missing, in which role and when, without installing signing software.
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Converting and extracting
Getting a PDF or the original files out of a container.
- Converting and extracting
ASiC-E to PDF: how to get the PDF out of a signed container
ASiC-E to PDF in practice: if a PDF is inside the container, download it; if it is a Word file, export it. And what happens to the signature.
Read article → - Converting and extracting
Convert ASiC-E to PDF: printing, sharing and archiving scenarios
Need to convert ASiC-E to PDF for a printer, a foreign partner or an archive? The right approach for each scenario, and the mistakes to avoid.
Read article → - Converting and extracting
ASiC-E File Converter: what can and cannot be converted
An honest conversion table for an ASiC-E file converter: asice to PDF, DOCX, ZIP or original files, and what becomes of the signature each time.
Read article → - Converting and extracting
ASiC-E Extractor: save every file from a container with one click
An ASiC-E extractor saves the documents from a signed container: one file, selected files or all of them as a ZIP, with names and content intact.
Read article → - Converting and extracting
Extract files from ASiC-E: four methods compared
Four ways to extract files from ASiC-E containers: a viewer, DigiDoc4, renaming to ZIP and the command line, with what each method shows and hides.
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Devices and platforms
Windows, macOS, Android and iPhone, step by step.
- Devices and platforms
ASiC-E Viewer for Windows 10 and 11
An ASiC-E viewer for Windows without installing anything: open .asice in Edge or Chrome, drag from Outlook, set a default app and fix common issues.
Read article → - Devices and platforms
ASiC-E Viewer for Mac: open .asice files on macOS
An ASiC-E viewer for Mac: open .asice files in Safari without installing anything, add the viewer to the Dock, or use DigiDoc4 for macOS.
Read article → - Devices and platforms
ASiC-E Viewer for Android: the app and the browser option
An ASiC-E viewer for Android: the free app from Google Play opens .asice, .bdoc and .edoc offline and exports to PDF, or use the browser.
Read article → - Devices and platforms
ASiC-E Viewer for iPhone and iPad
An ASiC-E viewer for iPhone: open .asice files in Safari via the Files app today. Our native iPhone app is coming soon; the Android app is out now.
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