diff --git a/src/types/preprint-id.ts b/src/types/preprint-id.ts
index 5755f241a..ffef8ed77 100644
--- a/src/types/preprint-id.ts
+++ b/src/types/preprint-id.ts
@@ -305,6 +305,7 @@ export function fromUrl(url: URL): Option.Option<IndeterminatePreprintId> {
     .with(['biorxiv.org', P.select()], extractFromBiorxivMedrxivPath('biorxiv'))
     .with(['edarxiv.org', P.select()], extractFromEdarxivPath)
     .with(['engrxiv.org', P.select()], extractFromEngrxivPath)
+    .with(['jxiv.jst.go.jp', P.select()], extractFromJxivPath)
     .with(['medrxiv.org', P.select()], extractFromBiorxivMedrxivPath('medrxiv'))
     .with(['osf.io', P.select()], extractFromOsfPath)
     .with(['philsci-archive.pitt.edu', P.select()], extractFromPhilsciPath)
@@ -363,6 +364,12 @@ const extractFromFigsharePath = (type: 'africarxiv') =>
     Option.andThen(doi => ({ type, value: doi }) satisfies AfricarxivFigsharePreprintId),
   )
 
+const extractFromJxivPath = flow(
+  decodeURIComponent,
+  Option.liftNullable(s => /^index\.php\/jxiv\/preprint\/(?:view|download)\/([1-9][0-9]*)(?:\/|$)/.exec(s)?.[1]),
+  Option.andThen(flow(id => `10.51094/jxiv.${id}`, parsePreprintDoi)),
+)
+
 const extractFromOsfPath = flow(
   decodeURIComponent,
   Option.liftNullable(s =>
diff --git a/test/fc.ts b/test/fc.ts
index b8d1049e3..cec2f3323 100644
--- a/test/fc.ts
+++ b/test/fc.ts
@@ -450,6 +450,7 @@ export const supportedPreprintUrl = (): fc.Arbitrary<[URL, PreprintId]> =>
     biorxivPreprintUrl(),
     edarxivPreprintUrl(),
     engrxivPreprintUrl(),
+    jxivPreprintUrl(),
     medrxivPreprintUrl(),
     metaarxivPreprintUrl(),
     osfPreprintsPreprintUrl(),
@@ -653,6 +654,14 @@ export const jxivPreprintId = (): fc.Arbitrary<JxivPreprintId> =>
     value: doi(constant('51094')),
   })
 
+export const jxivPreprintUrl = (): fc.Arbitrary<[URL, JxivPreprintId]> =>
+  fc
+    .integer({ min: 1 })
+    .map(id => [
+      new URL(`https://jxiv.jst.go.jp/index.php/jxiv/preprint/view/${id}`),
+      { type: 'jxiv', value: `10.51094/jxiv.${id}` as Doi<'51094'> },
+    ])
+
 export const medrxivPreprintId = (): fc.Arbitrary<MedrxivPreprintId> =>
   fc.record({
     type: constant('medrxiv'),
diff --git a/test/types/preprint-id.test.ts b/test/types/preprint-id.test.ts
index de109633f..24f265d95 100644
--- a/test/types/preprint-id.test.ts
+++ b/test/types/preprint-id.test.ts
@@ -328,6 +328,31 @@ describe('fromUrl', () => {
     expect(_.fromUrl(url)).toStrictEqual(Option.some({ type: 'engrxiv', value: doi }))
   })
 
+  test.prop([fc.jxivPreprintUrl().map(([url, id]) => [url, id.value] as const)], {
+    examples: [
+      [
+        [
+          new URL('https://jxiv.jst.go.jp/index.php/jxiv/preprint/view/1041/version/1215'), // version
+          Doi('10.51094/jxiv.1041'),
+        ],
+      ],
+      [
+        [
+          new URL('https://jxiv.jst.go.jp/index.php/jxiv/preprint/view/1041/2898'), // html view of pdf
+          Doi('10.51094/jxiv.1041'),
+        ],
+      ],
+      [
+        [
+          new URL('https://jxiv.jst.go.jp/index.php/jxiv/preprint/download/1041/2898'), // pdf
+          Doi('10.51094/jxiv.1041'),
+        ],
+      ],
+    ],
+  })('with a Jxiv URL', ([url, doi]) => {
+    expect(_.fromUrl(url)).toStrictEqual(Option.some({ type: 'jxiv', value: doi }))
+  })
+
   test.prop([fc.medrxivPreprintUrl().map(([url, id]) => [url, id.value] as const)], {
     examples: [
       [