Free Unixtimestamp.com Alternative
Unixtimestamp.com is a straightforward Unix timestamp conversion tool that offers basic conversion between epoch time and human-readable dates. The site is simple and functional, providing current timestamp display and bi-directional conversion (timestamp to date and date to timestamp). It's free to use with some advertising and includes a clean, no-frills interface. While it covers the basics well, the site lacks advanced features like time arithmetic, quick presets, or relative time display. If you're looking for a more feature-rich alternative with modern UI, visual timezone information, and no ads, Fixie's Unix Timestamp Converter offers a more polished experience.
Try Unix Timestamp Converter Free →Unix Timestamp Converter vs Unixtimestamp.com
| Feature | Fixie Unix Timestamp Converter | Unixtimestamp.com |
|---|---|---|
| Price | Free forever | Free (ad-supported) |
| Signup Required | No | No |
| Privacy / Data Handling | 100% client-side — no data collection | Client-side with advertising scripts |
| Ads | None | Banner and sidebar ads |
| Live Clock | Yes, with timezone stats and day-of-year info | Yes, basic current timestamp display |
| Quick Presets | Yes (now, today, 24h ago, week ago, etc.) | No |
| Time Arithmetic | Yes, add/subtract days/hours/minutes/seconds | No |
| Relative Time Display | Yes (shows "3 days ago", "5 hours from now") | No |
| Format Support | ISO 8601, RFC 2822, UTC, local, relative | Basic date/time formats |
| Visual Design | Modern, colorful, mobile-optimized | Basic, functional layout |
Why Choose Fixie?
Unixtimestamp.com does the basics well: it converts Unix timestamps to dates and dates back to timestamps with a simple, straightforward interface. If you only need basic conversion and don't mind ads, it's a functional option that gets the job done. The site is reliable and has been around for years, making it a trusted resource for many developers.
However, the tool is quite minimal compared to modern alternatives. There's no time arithmetic feature, so calculating timestamps for "7 days from now" or "3 hours ago" requires manual math or a calculator. There are no quick presets for common values like "start of today" or "epoch (0)", meaning you have to type or calculate everything manually. The site doesn't show relative time (like "2 days ago"), which is helpful for understanding whether a timestamp is recent or old at a glance. The interface is functional but dated, and ads are present throughout the page.
Fixie's Unix Timestamp Converter modernizes the timestamp conversion experience with features that save time and reduce friction. Quick preset buttons let you load common values instantly. Time arithmetic calculates future or past timestamps without manual math. Relative time display helps you understand timestamps contextually. Visual timezone information shows your current offset, week number, and day of year. The interface is modern, mobile-optimized, and completely ad-free. Everything runs 100% client-side with no tracking or data collection. If basic conversion is all you need, Unixtimestamp.com works fine. If you want a faster, more feature-complete tool with better UX, Fixie delivers exactly that.
How to Use Unix Timestamp Converter
Step 1: Go to the Tool
Visit fixie.tools/timestamp — no signup, no ads, works instantly.
Step 2: See the Live Clock
The tool automatically displays the current Unix timestamp with real-time updates. Copy it with one click or use it as a reference.
Step 3: Convert Timestamps or Dates
Paste any Unix timestamp to see it converted to ISO 8601, RFC 2822, UTC, local time, and relative time formats. Or use the date/time picker to convert any date to Unix timestamp (seconds and milliseconds).
Step 4: Use Quick Presets and Arithmetic
Click preset buttons for instant access to common timestamps like "now", "start of today", or "24h ago". Use the time arithmetic feature to add or subtract time units from any timestamp without doing the math yourself.