Convert EML files to Outlook PST format and PST back to EML without Outlook installed
Free online string and text tools for encoding, decoding, hashing, formatting and converting text in your browser
Stage
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Founded
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Based in
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Pricing model
Paid
Free
Pricing
Free trial: 25 items per folder. Personal: $39 for one machine with one year of updates. Professional: $99 for 5 machines with lifetime updates. Technician: $299 for unlimited machines with lifetime updates. All licenses include 30-day money-back policy.
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Key features
Preserve folder structure and hierarchy in output PST
Include email attachments in converted PST files
Preview emails before conversion and selectively exclude messages
Convert without Outlook installed on Windows
Support multiple email formats including EML, EMLX, HTML and RTF
Save conversion log after each batch operation
Base64 encoding and decoding
URL encoding and decoding
JSON formatting, validation and minifying
JWT decoding with readable timestamps
SHA-256 and other cryptographic hashing
UUID generation with multiple versions
Text diffing with multiple formats
Chainable pipelines with live preview
CSV to JSON and JSON to YAML conversion
Regular expression explanation in plain English
What makes it different
Bidirectional conversion: same license covers both EML to PST and PST to EML transformations
No Outlook installation required to perform conversions
30-day money-back guarantee on all license purchases
All processing happens in your browser with no data uploaded to servers
Chain multiple tools into pipelines with live preview of each step
Available across VS Code, CLI, MCP and as a Node.js library
No cookies or tracking scripts, privacy-focused
248 utilities organized by category with guides and worked examples