diff --git a/src/cli.ts b/src/cli.ts
index 192f069..2ebc82a 100755
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -333,21 +333,37 @@ program
       process.exit(1)
     }
 
+    let diff: string
     if (status.text().trim().length > 0) {
       // Show uncommitted changes (both staged and unstaged)
-      const result = await $`git -C ${session.worktree} diff --color=always HEAD`.nothrow()
+      const result = await $`git -C ${session.worktree} diff --color=always HEAD`.nothrow().quiet()
       if (result.exitCode !== 0) {
         // HEAD may not exist yet (no commits); fall back to showing all tracked + untracked
-        await $`git -C ${session.worktree} diff --color=always`.nothrow()
+        const fallback = await $`git -C ${session.worktree} diff --color=always`.nothrow().quiet()
+        diff = fallback.text()
+      } else {
+        diff = result.text()
       }
     } else {
       // No uncommitted changes — show full branch diff vs main
       const main = await git.mainBranch(root)
-      const result = await $`git -C ${session.worktree} diff --color=always ${main}...${branch}`.nothrow()
+      const result = await $`git -C ${session.worktree} diff --color=always ${main}...${branch}`.nothrow().quiet()
       if (result.exitCode !== 0) {
         console.error("git diff failed")
         process.exit(1)
       }
+      diff = result.text()
+    }
+
+    const lines = diff.split("\n").length
+    const termHeight = process.stdout.rows || 24
+    if (lines > termHeight) {
+      const pager = Bun.spawn(["less", "-R"], { stdin: "pipe", stdout: "inherit", stderr: "inherit" })
+      pager.stdin.write(diff)
+      pager.stdin.end()
+      await pager.exited
+    } else {
+      process.stdout.write(diff)
     }
   })