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ZJX

Pay once. Keep it forever.

Pro, Ultra and Mythic are one-time purchases that include every future update and a 30-day money-back guarantee. Legend is agreed in writing. ZJX Basic stays free.

Founding pricingReserve Pro, Ultra or Mythic with your email and lock in 30% off the launch price. No payment now, no obligation. Paid editions launch after ZJX Basic, with the features listed here.

For you

ZJX Basic

Create and open archives. Free for personal use and eligible organizations; commercial terms apply.

Free

for personal use and eligible organizations

  • Create .zjx archives in Instant, Fast or Smallest mode
  • Open ZIP, 7z, RAR, TAR, gz, xz, bz2 and zst
  • Every .zjx restore checked against its stored digests
  • No account, no telemetry, no nags, no artificial limits
  • Free download

ZJX Pro

Lock your archives with a password.

$39

one-time

$27 founding price. Reserving is free.

  • Everything in Basic, plus:
  • Create encrypted archives (Argon2id and XChaCha20-Poly1305)
  • Works offline with a license key, no account
  • Its own signed download, made for you

ZJX Ultra

Our strongest compression, for when every megabyte counts.

$99

one-time

$69 founding price. Reserving is free.

  • Everything in Pro, plus:
  • Maximum mode: our private max-ratio engine, never in the free app
  • Early access to new releases
  • Its own signed download, made for you

For your organization

Organizations with USD 100,000 or more in annual revenue, and government bodies, need a commercial license such as Mythic or Legend to create archives. Opening archives is free for everyone.

ZJX Mythic

ZJX for companies, licensed for commercial work at any size.

  • Everything in Ultra, plus:
  • Commercial license for organizations with USD 100k or more in annual revenue
  • Batch and automation for teams
  • Integrity reports for audits
  • Volume keys, invoices and purchase orders
  • Priority support

$149

one-time / seat

$104 / seat founding price. Reserving is free.

ZJX Legend

ZJX inside your product, or tuned to your data.

  • Everything in Mythic, plus:
  • OEM, embedding and redistribution rights
  • Compression tuned on your own data
  • Source escrow
  • Service-level agreement
  • Custom builds

Talk to us

agreed in writing

Talk to us

Compare editions

Swipe to see all five editions.

Features included in each ZJX edition
FeatureBasicProUltraMythicLegend
Create .zjx archives in Instant, Fast and SmallestIncludedIncludedIncludedIncludedIncluded
Open ZIP, 7z, RAR, TAR, gz, xz, bz2 and zstIncludedIncludedIncludedIncludedIncluded
Digest-checked .zjx restoresIncludedIncludedIncludedIncludedIncluded
Every future updateIncludedIncludedIncludedIncludedIncluded
Encrypted archivesNot includedIncludedIncludedIncludedIncluded
Maximum mode (private max-ratio engine)Not includedNot includedIncludedIncludedIncluded
Early access to new releasesNot includedNot includedIncludedIncludedIncluded
Commercial use at any company sizeNot includedNot includedNot includedIncludedIncluded
Batch and automation for teamsNot includedNot includedNot includedIncludedIncluded
Integrity reports for auditsNot includedNot includedNot includedIncludedIncluded
Volume keys, invoices and purchase ordersNot includedNot includedNot includedIncludedIncluded
Priority supportNot includedNot includedNot includedIncludedIncluded
OEM, embedding and redistribution rightsNot includedNot includedNot includedNot includedIncluded
Compression tuned on your own dataNot includedNot includedNot includedNot includedIncluded
Source escrow and a service-level agreementNot includedNot includedNot includedNot includedIncluded
Custom buildsNot includedNot includedNot includedNot includedIncluded

Questions about buying

30-day money-back guarantee

If ZJX isn't right for you, email us within 30 days of buying Pro, Ultra or Mythic for a full refund.

Can I use ZJX Basic at work?

Yes, if your organization has under USD 100,000 in annual revenue, or is an accredited school or nonprofit. Organizations with USD 100,000 or more in annual revenue, and government bodies, need a commercial license such as Mythic or Legend to create archives. Opening archives is free for everyone.

What happens when I reserve a founding price?

We save your email and the edition you chose. When that edition launches, we email you a link to buy it at 30% off the launch price. You pay nothing now and you're under no obligation to buy.

How do updates work?

Every Pro, Ultra and Mythic license includes every future update. You never pay to upgrade the edition you own.

What's your refund policy?

If ZJX isn't right for you, email us within 30 days of buying Pro, Ultra or Mythic for a full refund. No questions asked.