diff --git a/src/__tests__/extensions/replay/sessionrecording.test.ts b/src/__tests__/extensions/replay/sessionrecording.test.ts
index 255ee304d..e384f7776 100644
--- a/src/__tests__/extensions/replay/sessionrecording.test.ts
+++ b/src/__tests__/extensions/replay/sessionrecording.test.ts
@@ -344,10 +344,39 @@ describe('SessionRecording', () => {
             '%s',
             (_name: string, serverSide: boolean | undefined, clientSide: boolean | undefined, expected: boolean) => {
                 posthog.persistence?.register({
-                    [SESSION_RECORDING_CANVAS_RECORDING]: { enabled: serverSide, fps: 4, quality: 0.1 },
+                    [SESSION_RECORDING_CANVAS_RECORDING]: { enabled: serverSide, fps: 4, quality: '0.1' },
                 })
                 posthog.config.session_recording.captureCanvas = { recordCanvas: clientSide }
-                expect(sessionRecording['canvasRecording']).toMatchObject({ enabled: expected })
+                expect(sessionRecording['canvasRecording']).toMatchObject({ enabled: expected, fps: 4, quality: 0.1 })
+            }
+        )
+
+        it.each([
+            ['max fps and quality', 12, '1.0', 12, 1],
+            ['min fps and quality', 0, '0.0', 0, 0],
+            ['mid fps and quality', 6, '0.5', 6, 0.5],
+            ['null fps and quality', null, null, 4, 0.4],
+            ['undefined fps and quality', undefined, undefined, 4, 0.4],
+            ['string fps and quality', '12', '1.0', 4, 1],
+            ['over max fps and quality', 15, '1.5', 12, 1],
+        ])(
+            '%s',
+            (
+                _name: string,
+                fps: number | string | null | undefined,
+                quality: string | null | undefined,
+                expectedFps: number,
+                expectedQuality: number
+            ) => {
+                posthog.persistence?.register({
+                    [SESSION_RECORDING_CANVAS_RECORDING]: { enabled: true, fps, quality },
+                })
+
+                expect(sessionRecording['canvasRecording']).toMatchObject({
+                    enabled: true,
+                    fps: expectedFps,
+                    quality: expectedQuality,
+                })
             }
         )
     })
diff --git a/src/extensions/replay/sessionrecording.ts b/src/extensions/replay/sessionrecording.ts
index ee4c2267f..74a6ab050 100644
--- a/src/extensions/replay/sessionrecording.ts
+++ b/src/extensions/replay/sessionrecording.ts
@@ -74,6 +74,10 @@ const PARTIAL_COMPRESSION_THRESHOLD = ONE_KB
 export const RECORDING_MAX_EVENT_SIZE = ONE_KB * ONE_KB * 0.9 // ~1mb (with some wiggle room)
 export const RECORDING_BUFFER_TIMEOUT = 2000 // 2 seconds
 export const SESSION_RECORDING_BATCH_KEY = 'recordings'
+const DEFAULT_CANVAS_QUALITY = 0.4
+const DEFAULT_CANVAS_FPS = 4
+const MAX_CANVAS_FPS = 12
+const MAX_CANVAS_QUALITY = 1
 
 const ACTIVE_SOURCES = [
     IncrementalSource.MouseMove,
@@ -337,14 +341,21 @@ export class SessionRecording {
         const canvasRecording_client_side = this.instance.config.session_recording.captureCanvas
         const canvasRecording_server_side = this.instance.get_property(SESSION_RECORDING_CANVAS_RECORDING)
 
-        const enabled = canvasRecording_client_side?.recordCanvas ?? canvasRecording_server_side?.enabled ?? false
-        const fps = canvasRecording_client_side?.canvasFps ?? canvasRecording_server_side?.fps ?? 0
-        const quality = canvasRecording_client_side?.canvasQuality ?? canvasRecording_server_side?.quality ?? 0
+        const enabled: boolean =
+            canvasRecording_client_side?.recordCanvas ?? canvasRecording_server_side?.enabled ?? false
+        const fps: number =
+            canvasRecording_client_side?.canvasFps ?? canvasRecording_server_side?.fps ?? DEFAULT_CANVAS_FPS
+        let quality: string | number =
+            canvasRecording_client_side?.canvasQuality ?? canvasRecording_server_side?.quality ?? DEFAULT_CANVAS_QUALITY
+        if (typeof quality === 'string') {
+            const parsed = parseFloat(quality)
+            quality = isNaN(parsed) ? 0.4 : parsed
+        }
 
         return {
             enabled,
-            fps: clampToRange(fps, 0, 12, 'canvas recording fps'),
-            quality: clampToRange(quality, 0, 1, 'canvas recording quality'),
+            fps: clampToRange(fps, 0, MAX_CANVAS_FPS, 'canvas recording fps', DEFAULT_CANVAS_FPS),
+            quality: clampToRange(quality, 0, MAX_CANVAS_QUALITY, 'canvas recording quality', DEFAULT_CANVAS_QUALITY),
         }
     }