How do I convert JSON to ICS?

Upload your JSON file above, click Convert, and download the ICS result instantly. No account or software needed.

Is converting JSON to ICS free?

Yes. It is free and unlimited for files up to 5 MB, with no account required. Larger files get 3 free conversions per day; beyond that, credit packs start at $3 and credits never expire.

Are my files stored or shared?

No. Files are processed in server memory and deleted immediately after conversion. File contents are never written to disk or retained.

Do I need to install anything?

No software installation needed. OmniConvert runs in the browser — just upload, convert, and download.

OmniConvert

Convert JSON to ICS

Free

Convert a JSON list of events, or a single event, to an iCalendar (.ics) file

Drop a file or click to browse

Accepted: .json

or paste below

Free and unlimited for files up to 5 MB. No account needed.

Related Calendar conversions

Convert ICS to CSV— Export calendar events from an ICS file to a CSV spreadsheet
Convert ICS to JSON— Parse an ICS calendar file into a JSON array of events
Convert CSV to ICS— Convert a CSV of events to an iCalendar (.ics) file

About this conversion

Convert a JSON list of events, or a single event, to an iCalendar (.ics) file. This converter processes your JSON file server-side and returns a ICS file instantly — no account, no software installation, and no file storage. Files are deleted from our servers immediately after conversion.

How to convert JSON to ICS

1. Upload — drag your JSON file onto the converter above, or click to browse.
2. Convert — press Convert. Processing happens on secure servers in seconds.
3. Download — your ICS file downloads automatically. No sign-up required.

Convert JSON to ICS from the command line

curl --fail-with-body \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -F "file=@input.json" \
  -F "conversionId=json-to-ics" \
  https://www.omniconvert.cloud/api/convert -o output.ics

The API needs a token from a credit pack, and each API conversion uses one credit. Converting on this page stays free. API documentation

Frequently Asked Questions

How do I convert JSON to ICS?: Upload your JSON file above, click Convert, and download the ICS result instantly. No account or software needed.
Is converting JSON to ICS free?: Yes. It is free and unlimited for files up to 5 MB, with no account required. Larger files get 3 free conversions per day; beyond that, credit packs start at $3 and credits never expire.
Are my files stored or shared?: No. Files are processed in server memory and deleted immediately after conversion. File contents are never written to disk or retained.
Do I need to install anything?: No software installation needed. OmniConvert runs in the browser — just upload, convert, and download.

No account needed · Credits never expire · Share your token link across devices