SampleTestFiles

100 KB ICS sample file

An ICS file of exactly 102,400 bytes. It is a valid iCalendar file file, generated for this site and checked with an independent parser.

Download

sample-ics-100kb.ics

100 KB102,400 bytes

Download 100 KB ICS

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Type
text/calendar
SHA-256
394b69dc3d85b55970575cf03b6de9534ec73a00d1e9916c69309d337ae14d9d
Direct URL
https://sampletestfiles.com/downloads/ics/sample-ics-100kb.ics

What is in this file

A VCALENDAR object with 300 VEVENT components, each with a unique UID, start and end times, a summary, a description and a location. Non-standard X- property lines, which calendar software ignores, bring the file to the exact size.

Events300
iCalendar version2.0
Time zoneUTC
Line endingsCRLF, folded at 75 octets
EncodingUTF-8 (ASCII characters only)

How the file begins

The opening lines of sample-ics-100kb.ics, exactly as they appear in the file.

BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//SampleTestFiles//Sample Calendar//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:a6cf3b6b-cd57-4173-a942-a2339c75f449@example.com
DTSTAMP:20260101T000000Z
DTSTART:20260105T090000Z
DTEND:20260105T100000Z
SUMMARY:Review meeting 1 with Ethan Zeller
DESCRIPTION:This sample file exists so that software can be tested with rea
 listic input.
LOCATION:Pune\, IN

Preview

Shows the first 64 KB of the file.

Where 100 KB matters

A 102,400-byte file that sits exactly on the default request-body limit of Express. These are the default limits a file of this size is useful for testing:

SystemLimitNote
Express body parsers100 KB (102,400 bytes) by defaultA request body of exactly this size passes; anything larger returns 413 Payload Too Large.
Gmail message clippingAbout 102 KB of HTMLLonger messages are truncated behind a "view entire message" link.
Amazon DynamoDB items400 KB per item100 KB fits; the 500 KB sample does not.

All 100 KB sample files

Use this file for

  • Checking email size handling
  • Testing invitation processing
  • Testing calendar import and subscription

Testing notes for ICS

  • Importing the same UID twice should update an event, not duplicate it.
  • Time zones and recurrence rules are where calendar software fails. The samples use UTC and non-recurring events, so they work as a known-good baseline.

ICS format reference

Technical details

File namesample-ics-100kb.ics
FormatICS (iCalendar file)
Extension.ics
MIME typetext/calendar
Size102,400 bytes (100 KB)
KindText
SHA-256394b69dc3d85b55970575cf03b6de9534ec73a00d1e9916c69309d337ae14d9d
Created2026-10-10
ValidationExact size, signature bytes and structure checked when the file was generated
PreviewAvailable on this page
SourceGenerated for this site; not copied from elsewhere
LicenceFree to use, modify and redistribute (terms)
CategoryEmail & Calendar

Validated for expected format and integrity. As with any download, scan the file with your own security tools before opening it. How files are made and checked

Download from the command line and verify

Fetch the file with curl, then compare its checksum with the SHA-256 value above.

curl -o sample-ics-100kb.ics 'https://sampletestfiles.com/downloads/ics/sample-ics-100kb.ics'
sha256sum sample-ics-100kb.ics     # Linux
shasum -a 256 sample-ics-100kb.ics # macOS

On Windows, run Get-FileHash sample-ics-100kb.ics -Algorithm SHA256 in PowerShell. A matching value proves that the download is complete and unaltered.

Related files

Other ICS sizes

Other 100 KB files

Use cases

Guides

Questions about this file

Is this file exactly 100 KB?
Yes. It is 102,400 bytes, which is 100 KB in the binary units that operating systems and server limits use (1 KB = 1,024 bytes).
What is inside the 100 KB ICS file?
A VCALENDAR object with 300 VEVENT components, each with a unique UID, start and end times, a summary, a description and a location. Non-standard X- property lines, which calendar software ignores, bring the file to the exact size.
Do the events repeat?
No. Each event is a single one-hour meeting in UTC with its own UID.