OmniConvert

Convert EML to JSON

Convert a single email (.eml) to JSON: sender, recipients, subject, date, attachment names and plain-text body

Drop a file or click to browse

Accepted: .eml

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

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About this conversion

Convert a single email (.eml) to JSON: sender, recipients, subject, date, attachment names and plain-text body. This converter processes your EML file server-side and returns a JSON file instantly — no account, no software installation, and no file storage. Files are deleted from our servers immediately after conversion.

How to convert EML to JSON

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

Convert EML to JSON from the command line

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

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

What is an EML file?
A single email saved in the standard internet message format (RFC 822 / MIME), as Outlook, Thunderbird and Apple Mail do when you drag a message to a folder or use "Save as". The JSON has the headers, attachment names and the plain-text body.
How do I convert EML to JSON?
Upload your EML file above, click Convert, and download the JSON result instantly. No account or software needed.
Is converting EML to JSON 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