⭐ mdothree Pro · coming soon
Unlock every tool,
no limits.
Pro isn't on sale yet, so there is nothing to buy today. When it opens: one subscription, full access to every Pro feature across every mdothree.com utility — hash, password, color, and time tools.
Coming soon
Pro
Soon
Not on sale yet · no checkout open
- ✓ Everything without sign-up, plus:
- ✓ bcrypt, HMAC hashing
- ✓ Batch hashing — unlimited
- ✓ Breach checker (HaveIBeenPwned)
- ✓ Passphrase generator
- ✓ Cron parser & business days
- ✓ Gradient & colorblind simulator
- ✓ Unlimited saved palettes, presets & history
- ✓ Export CSS vars, SCSS, JSON, CSV
- ✓ Bulk generate up to 50 passwords
- ✓ Priority support
Complete your subscription
mdothree Pro — $4/month · Cancel anytime
Secured by Stripe. By subscribing you agree to our Terms. Cancel anytime from your billing portal.
Full feature comparison
| Feature | Without Pro | ⭐ Pro |
|---|---|---|
| Hash Tools | ||
| SHA-256, SHA-512, SHA-384, SHA-1, SHA3-256, MD5, CRC32 | ✓ | ✓ |
| bcrypt hashing | — | ✓ |
| HMAC generation | — | ✓ |
| File hash verification | — | ✓ |
| Batch hashing | Up to 10 | Unlimited |
| Saved favourites & history | 5 entries | Unlimited |
| UUID v1 / v4 / v5 generator | ✓ | ✓ |
| Base64 / Hex / Base32 encoder | ✓ | ✓ |
| Password Tools | ||
| Password generator | ✓ | ✓ |
| Bulk generate (at once) | Up to 5 | Up to 50 |
| Password strength meter | ✓ | ✓ |
| Passphrase generator | — | ✓ |
| PIN generator | ✓ | ✓ |
| Breach checker (HIBP) | — | ✓ |
| Password history | 5 entries | Unlimited |
| Timestamp Tools | ||
| Unix timestamp converter | ✓ | ✓ |
| Timezone converter | ✓ | ✓ |
| Duration & age calculator | ✓ | ✓ |
| Countdown timer | ✓ | ✓ |
| Business days calculator | — | ✓ |
| Cron expression parser | — | ✓ |
| Saved timezone presets | — | ✓ |
| Conversion history | — | ✓ |
| Color Tools | ||
| Color picker & eyedropper | ✓ | ✓ |
| HEX / RGB / HSL / CMYK converter | ✓ | ✓ |
| Shades generator | ✓ | ✓ |
| Color mixer | ✓ | ✓ |
| WCAG contrast checker | ✓ | ✓ |
| Palette generator & saving | 3 palettes | Unlimited |
| Export CSS vars / SCSS / JSON | — | ✓ |
| Gradient generator | — | ✓ |
| Colorblind simulator | — | ✓ |
Questions & answers
Not yet. Pro checkout isn't open, so nothing can be charged. The answers below describe how Pro will work once it opens.
Yes. Cancel from your billing portal at any time. Your Pro access continues until the end of the current billing period.
All payments are processed by Stripe — we never see or store your card details. Stripe is PCI-DSS Level 1 certified.
Yes. All processing — hashing, password generation, color conversion, timestamp math — happens entirely in your browser. Firebase only syncs your saved history and subscription status.
Your saved data (palettes, history, presets) is retained in Firestore for 90 days after cancellation. You can export everything before cancelling.
Not currently, but every core tool works with no sign-up, no credit card, and no time limit. Try it out and upgrade whenever you need the Pro features.
Yes. Visit your billing portal to switch billing intervals. The change takes effect at the next renewal date.