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Lanzou (蓝奏云, pc.woozooo.com)

pc.woozooo.com/Consumer pannetdisk-pan/lanzouJSONcomparereport an errorprovider JSON

Free allowance
Unlimited total storage on the free tier, with no download rate limit, no download count limit and no login to download; the per-file cap is the constraint
Verdict
fails: quotathe free allowance is too small to matter
Cost
free tier
Identity
any-phoneno card, phone required
Binding limit
per-object-cap100 MiB per file
Evidence
documented8 sources; a first-party page was read and the sentence quoted
Freshness
stale on 2026-11-26checked 2026-11-04 (live); stale on 2026-11-26
Free tierunlimited total storage on the free tier, with no download rate limit, no download count limit and no login to download; the per-file cap is the constraint
unit unlimited; metered on stored-bytes
Pricenone stated
Limits
  • per-object-cap (binding) 100 MiB per file source
Bindingper-object-cap The total is genuinely unlimited and the egress is genuinely free, but a 100 MiB per-file cap over a 10 TiB working set is 100,000 objects, which is a file-count problem before it is a storage one.
Identityany-phone the register form asks for a phone number with an SMS code, then a username and password ('请使用用户名登录,手机号仅用于找回短信验证'); it shows no email field and no country selector. Whether a non-mainland number is accepted is unverified: behind a sign-up
Egressdownloads are stated as unlimited in speed, volume and count, with no login; there is no egress price
Per-object cap100 MiB per file, which the resolver's driver table states and which the free tier does not publish on its own page (104857600 bytes)
Retentionunverified: the vendor home page as read states no share-link lifetime; the account's own retention is not published
Interfacerest
Toolingno WebDAV and no official API; the practical route is the netdisk-fast-download 'lz' driver, which resolves a share link to a direct URL
Composes withthe cheapest place to put files under 100 MiB that must be downloadable without an account, which makes it a config, patch and asset host rather than a data store
ReliabilityShare-link lifetime is not stated on the vendor home page as read. The per-file cap is what stops it from being storage at any scale.
NotesUnlimited total storage with a 100 MiB per-file cap.
Parsed numbers
  • has-free-tier 1
  • per-object-cap 100 MiB
Evidence 8
datesourcewhat it proved
2026-10-22pc.woozooo.com/'拥有无限制的总存储空间' (unlimited total storage) and '下载不限速度,不限流量,不限次数,免登录下载' (no speed, volume or count limit on downloads, no login needed), and share links are permanent
2026-10-22nfd-parser.github.io/the Lanzou driver has a per-file limit of 100M and a free no-login download, and the second table gives Lanzou 'unlimited space' with the same 100M per-file cap
2026-11-03pc.woozooo.com/the vendor page states unlimited total storage
2026-11-03pc.woozooo.com/account.php?action=registerthe register form asks for a phone number, used for SMS verification and recovery, and a username and password
2026-11-03github.com/zaxtyson/LanZouCloud-APIthe wrapper's README claims it works around the file-type and per-file size limits
2026-11-03pc.woozooo.com/account.php?action=registera retired or suspended phone number is handled by hand through support
2026-11-03pc.woozooo.com/downloads are stated as unlimited in speed, volume and count, with no login
2026-11-04openlistteam.github.io/docs/zh/guide/drivers/lanzou.htmlthe OpenList Lanzou driver mounts an account by username and password and refreshes the cookie itself; it also has cookie and share-link modes (reverse-engineered, third-party)
More fields 4
access moderegistration-gated
apinone official
resolver driverlz
per file cap sourcethe resolver's driver table, not the vendor page