Compare
SMTP Debug Tool vs Softaken TGZ to PST Converter
Short answer: Pick SMTP Debug Tool if you want 3-in-1 SMTP testing and debugging; pick Softaken TGZ to PST Converter if you want TGZ to Outlook PST conversion. SMTP Debug Tool is free; Softaken TGZ to PST Converter has a free plan.
SMTP Debug ToolTest and debug your SMTP connection. Quickly and for free. 
Softaken TGZ to PST ConverterExpert utility for converting Zimbra TGZ files to MS Outlook PST formatWhich to pick
Pick SMTP Debug Tool if you want…
- 3-in-1 SMTP testing and debugging
- SMTP troubleshooting
- A free tool
- Integrations with Amazon SES, SendGrid or Mailgun (on SMTP Debug Tool's list, not Softaken TGZ to PST Converter's)
Pick Softaken TGZ to PST Converter if you want…
- TGZ to Outlook PST conversion
- Integrations with Microsoft Outlook, Microsoft 365 or Windows OS (on Softaken TGZ to PST Converter's list, not SMTP Debug Tool's)
Side by side
- What it is
- SMTP Debug Tool:A free web tool to test, proxy, and blackhole SMTP connections with real-time session logs.
- Softaken TGZ to PST Converter:Converts Zimbra TGZ archives to Outlook UNICODE PST files on Windows.
- Best for
- SMTP Debug Tool:3-in-1 SMTP testing and debugging
- Softaken TGZ to PST Converter:TGZ to Outlook PST conversion
- Who it’s for
- SMTP Debug Tool:Developers and engineers who need to debug email sending setups.
- Softaken TGZ to PST Converter:IT admins and users needing to migrate Zimbra mailboxes to Outlook.
- Pricing
- SMTP Debug Tool:Free
- Softaken TGZ to PST Converter:Freemium
- Starting price
- SMTP Debug Tool:Free
- Softaken TGZ to PST Converter:—
- Free plan or trial
- SMTP Debug Tool:Free to use
- Softaken TGZ to PST Converter:Free plan (Demo) · Free trial
- Plans
- SMTP Debug Tool:—
- Softaken TGZ to PST Converter:Demo FREE
- Works with
- SMTP Debug Tool:Amazon SES, SendGrid, Mailgun, Sendinblue, Google SMTP, Elastic Email, SMTP2GO, UniOne
- Softaken TGZ to PST Converter:Microsoft Outlook, Microsoft 365, Windows OS
SMTP Debug Tool features
- SMTP Test. Run a quick SMTP session in the browser and view the full conversation log.
- SMTP Proxy. Log an existing SMTP connection between your app and mail provider for error analysis.
- SMTP Blackhole. Create a safe test session without exposing real credentials, capturing logs only.
- Real-time logs. See live, detailed logs of every SMTP command and response.
- No login required. All core functions are accessible without registration.
- Extended parameters for logged-in users. Add subject, HTML body, and extra headers, and raise hourly limits.
Softaken TGZ to PST Converter features
- Direct TGZ → PST conversion. Add TGZ archives directly without extracting them first.
- Preview and selective export. Scan and preview emails, contacts, calendars and choose items to convert.
- Data integrity preservation. Keeps folder hierarchy, email properties and attachments intact.
- No Zimbra required. Works without Zimbra Desktop or Server installed.
- Unicode PST output. Creates UNICODE PST files compatible with Microsoft 365 and Outlook 2024-2010.
- Supports large archives. Handles TGZ files of any size on Windows 11/10/8/7.
SMTP Debug Tool vs Softaken TGZ to PST Converter FAQ
What is the difference between SMTP Debug Tool and Softaken TGZ to PST Converter?+
SMTP Debug Tool: Debugs SMTP connections, not file conversion.
Should I use SMTP Debug Tool or Softaken TGZ to PST Converter?+
Pick SMTP Debug Tool if you want 3-in-1 SMTP testing and debugging, SMTP troubleshooting or a free tool. Pick Softaken TGZ to PST Converter if you want TGZ to Outlook PST conversion or integrations with Microsoft Outlook, Microsoft 365 or Windows OS (on Softaken TGZ to PST Converter's list, not SMTP Debug Tool's).
Is SMTP Debug Tool or Softaken TGZ to PST Converter free?+
SMTP Debug Tool is free. Softaken TGZ to PST Converter has a free plan (Demo) and paid plans.
Do SMTP Debug Tool and Softaken TGZ to PST Converter integrate with the same tools?+
Their integration lists don't overlap: SMTP Debug Tool lists Amazon SES, SendGrid, Mailgun, Sendinblue and 4 more; Softaken TGZ to PST Converter lists Microsoft Outlook, Microsoft 365 and Windows OS.
On DevHunt
Softaken TGZ to PST Converter
0 upvotes · Launched on DevHunt on Jan 6, 2026
Based on each tool's website and DevHunt data. Details may change; check the official sites.