Compare
1sec.email vs TempMail.World
Claims the fastest temporary email generation, focused on speed.
Which to pick
Pick 1sec.email if you want…
- Instant disposable email via API
- Ultra-fast temp mail
- A free tool
Pick TempMail.World if you want…
- Free disposable email with custom domain support
Side by side
- What it is
- 1sec.email:1sec.email provides instant, zero-disk temporary email addresses with a free public API for testing email flows.
- TempMail.World:TempMail.World provides free, disposable email addresses that self-delete, with optional custom domains and forwarding.
- Best for
- 1sec.email:Instant disposable email via API
- TempMail.World:Free disposable email with custom domain support
- Who it’s for
- 1sec.email:Developers, QA engineers, and anyone needing disposable email for testing or privacy.
- TempMail.World:Anyone needing quick, anonymous email for sign-ups, verification codes, or testing.
- Pricing
- 1sec.email:Free
- TempMail.World:Freemium
1sec.email features
- Zero-Disk Architecture. Emails are stored only in RAM, ensuring no data is written to disk.
- Real-Time Inbox (SSE). Receive emails instantly via Server-Sent Events, typically under one second.
- Ad-Free Interface. A clean UI without pop-ups or advertisements.
- Custom Username & QR Sync. Create custom addresses and sync to mobile via QR code.
- Public JSON API. GET https://1sec.email/api/emails?address=you@1sec.email returns inbox as JSON.
- Auto-Deletion. Inbox and emails are automatically removed after 24 hours.
TempMail.World features
- Instant Setup. Create a temporary email address in one click without registration.
- Auto Expiration. Emails are automatically deleted after the address expires, keeping the inbox clean.
- Custom Domain Support. Use your own domain to generate temporary email addresses (Pro plan).
- Email Forwarding. Forward received messages to your primary mailbox automatically.
- Permanent Email Option. Save temporary addresses to your account for later reuse.
- Unlimited Inbox. Receive unlimited messages while the address is active.
- Free Forever. Core service is free with no registration required.
- Pro Plans. Paid tier adds storage, custom domains, and longer retention.
1sec.email vs TempMail.World FAQ
Is 1sec.email or TempMail.World free?+
1sec.email is free. TempMail.World has a free plan and paid plans.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.