{"rid":"debrid/jdownloader","card":{"rid":"debrid/jdownloader","eid":"jdownloader","topic":"debrid","slug":"jdownloader","provider":"JDownloader 2","url":"https://jdownloader.org/download/index","domain":"jdownloader.org","category":"open-source multi-hoster download manager and link decrypter (desktop/headless)","tier":"free","verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","confidence":"documented","binding":"none","identity_kind":"anonymous","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"cli,rest","egress_metered":0,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-10-23T01:52:41.420Z","verified_basis":"live","checked_on":"2026-10-24","stale_on":"2026-11-23","n_evidence":6,"usd_month":null,"usd_per_tb_month":null,"summary":"'JDownloader is a free, open-source download management tool with a huge community that makes downloading as easy and fast as it should be.' The software and...","duplicate_of":null,"n_unknown":3},"record":{"topic":"debrid","slug":"jdownloader","provider":"JDownloader 2","url":"https://jdownloader.org/download/index","category":"open-source multi-hoster download manager and link decrypter (desktop/headless)","tier":"free","free_tier":{"stated":"'JDownloader is a free, open-source download management tool with a huge community that makes downloading as easy and fast as it should be.' The software and its hoster/decrypter plugins are free; what it needs is a machine with Java and disk space.","unit":"unlimited","metered_on":"none","source_url":"https://jdownloader.org/download/index","read_on":"2026-10-23","notes":"No hosted first-party instance exists. The vendor offers desktop installers for Windows, Linux and macOS plus a multi-OS JAR, and every remote path points back at a JD installation the caller runs."},"per_object_cap":{"stated":"not applicable to the tool: the largest object is whatever the target host serves. JD writes to local disk, so the practical cap is the device's free space.","bytes":null,"source_url":"https://jdownloader.org/download/index"},"retention":{"stated":"not applicable: JD downloads to local storage it does not own. Nothing is retained server-side.","days":null,"source_url":"https://jdownloader.org/download/index"},"egress":{"terms":"The transfer runs between the client's JD host and the file host. JD meters nothing and resells nothing.","metered":false,"free_allowance":"none: no service-side bytes","price_per_tb":null,"source_url":"https://jdownloader.org/download/index"},"interface":["cli","rest"],"interface_detail":"GUI and headless (jar) modes; a Click'n'Load listener on port 9666 that accepts container posts from a browser; and a 'Deprecated API' the MyJD docs say can be enabled in Advanced Options to bypass the connection server and reach JD directly.","tooling":"First-party installers and JAR; MyJDownloader for remote control; Docker images by third parties (jlesage/docker-jdownloader-2, junkerderprovinz/jdownloader) that expose the GUI over VNC in a browser. A wrapper needs a machine to install on, which the client does not have.","chaining":"JD is the decrypter layer of last resort: one tool covers roughly a hundred hosters and several hundred container/decrypter plugins, so it composes with any storage or debrid service that hands it links.","limits":[{"kind":"request-rate","value":"core caps simultaneous connections per file at 20; board staff describe raising it with domain rules","source":"https://board.jdownloader.org/showthread.php?t=71264"},{"kind":"write-gated","value":"captchas and host wait timers must be solved per download unless a premium account is attached","source":"https://jdownloader.org/home/features"}],"limits_note":"Every cap that matters is imposed by the target host, not by JD. The tool adds a 20-connection ceiling per file and a default concurrency limit.","binding":"none","binding_note":"No JD-side quota binds at 1 TiB/month; the host's free-tier limits and the client's lack of a machine bind first. Public instances exist but are private containers behind credentials (see evidence), so they are not a route.","identity_cost":{"kind":"anonymous","detail":"No account needed to install and use JDownloader. A MyJDownloader account is optional and only needed for remote control. The support FAQ states: 'Do I need to register an account to use JDownloader? No! You only need an account when you use MyJDownloader which is completely optional!'","country":null},"reliability_note":"Public web instances found in the wild are other people's containers: one answered HTTP 200 with a 'Credentials needed' gate, one answered 530, one 502. They are not a service, they disappear without notice, and using one puts the client's links on a stranger's disk.","confidence":"documented","confidence_note":"The vendor page, the board thread and three probes are in hand. A measured rung needs a JD install downloading a real link, which needs a machine for a user does not have.","evidence":[{"url":"https://jdownloader.org/download/index","date":"2026-10-23","proved":"'JDownloader is a free, open-source download management tool'; installers for Windows/Linux/macOS plus a MULTIOS JAR, i.e. an install, not a hosted service"},{"url":"https://my.jdownloader.org/developers/","date":"2026-10-23","proved":"the 'Deprecated API' can bypass the MyJD connection server and reach JD directly; JD is the device the API talks to"},{"url":"probe:https://wojd.goip.de/","date":"2026-10-23","proved":"a public JDownloader web instance answers HTTP 200, 17403 bytes, sha256 4fb03946a848be39dea877b14593fe69f55a0f54c332de5cc4fca20744a94979, and its body is 'Credentials needed / Please enter the credentials to connect.'"},{"url":"probe:https://jdownloader.markodj.com/","date":"2026-10-23","proved":"second public instance is down: HTTP 530, 7660 bytes, sha256 f97e88f5ca4fe49388a454ddfce24f2ed91abda9b6ff29e3e3c6be063086c029, retry-after 120"},{"url":"probe:https://jdownloader.stehuenet.selfhost.co/","date":"2026-10-23","proved":"third public instance is down: HTTP 502, 154 bytes, sha256 bf4d0c2fe5252a3e32908499c90a4da5f961c7a7d989c5ef37b406d145929f1b"},{"url":"https://board.jdownloader.org/showthread.php?t=71264","date":"2026-10-23","proved":"third-party board statement that 20 chunks per file is the core limit"}],"verdict":"qualifies-with-caveat","verified_at":"2026-10-23T01:52:41.420Z","price_per_tb_month":"USD 0","notes":"This is the tool question is usually answered with, and it fails on the install requirement. The three public instances were found by search and probed as ordinary web pages; no login was attempted on any of them. Their existence shows the pattern (docker + KasmVNC + credentials), not a public service.","extras":{"public_instance_survey":"3 found by search, 1 up behind a credential gate, 2 dead; 0 accepted anonymous input","hoster_plugin_count":"unverified: the vendor feature page was not readable today; a third-party page claims ~110 hosters and 300+ decrypters","probe_records":[null,null,null]}},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[0].value","kind":"limit:request-rate","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[1].value","kind":"limit:write-gated","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.price_per_tb_month","kind":"price-per-tb","num":0,"unit":"TB","per":"month","currency":"USD","usd":0,"fx_date":null,"parse":"ok"}],"unknown":[["$.extras.probe_records[0]","withheld"],["$.extras.probe_records[1]","withheld"],["$.extras.probe_records[2]","withheld"]],"history":[],"drift":[]}