diff --git a/README.md b/README.md
index ee2f680..c71caf4 100644
--- a/README.md
+++ b/README.md
@@ -151,6 +151,10 @@ When Download type is Around the user, the offsets are the amount of entries aro
 | Activate Steam overlay to store | Activates the Steam Overlay to the Steam store page for the provided app | App ID             *(number)* <br>Flag             *(combo)* <br> |
 | Trigger screenshot (synchronous) | Captures the current screen and saves to Steam screenshot library (synchronous) | Tag             *(string)* <br> |
 | Trigger screenshot | Captures the current screen and saves to Steam screenshot library |  |
+| Save screenshot from URL (synchronous) | Saves an image from a URL as a Steam screenshot. The image will be loaded, converted to base64, and its dimensions calculated automatically. (synchronous) | URL             *(string)* <br>Tag             *(string)* <br> |
+| Save screenshot from URL | Saves an image from a URL as a Steam screenshot. The image will be loaded, converted to base64, and its dimensions calculated automatically. | URL             *(string)* <br> |
+| Add screenshot to library (synchronous) | Adds an existing screenshot file to the Steam screenshot library. Returns the handle of the screenshot. (synchronous) | Filename             *(string)* <br>Thumbnail Filename             *(string)* <br>Width             *(number)* <br>Height             *(number)* <br>Tag             *(string)* <br> |
+| Add screenshot to library | Adds an existing screenshot file to the Steam screenshot library. Returns the handle of the screenshot. | Filename             *(string)* <br>Thumbnail Filename             *(string)* <br>Width             *(number)* <br>Height             *(number)* <br> |
 | Check DLC is installed (synchronous) | Checks if the user owns and has installed a specific DLC (synchronous) | DLC App ID             *(number)* <br>Tag             *(string)* <br> |
 | Check DLC is installed | Checks if the user owns and has installed a specific DLC | DLC App ID             *(number)* <br> |
 | Create workshop item (synchronous) | Creates a new workshop item for the specified Steam App ID and returns its ID (synchronous) | App ID             *(number)* <br>Tag             *(string)* <br> |
@@ -385,6 +389,14 @@ When Download type is Around the user, the offsets are the amount of entries aro
 | On any "TriggerScreenshot" success | Trigger when any of the "TriggerScreenshot" are executed with success. |  |
 | On "TriggerScreenshot" error | Trigger when the "TriggerScreenshot" failed to execute. | Tag *(string)* <br> |
 | On any "TriggerScreenshot" error | Trigger when any of the "TriggerScreenshot" failed to execute. |  |
+| On "SaveScreenshotFromURL" success | Trigger when the "SaveScreenshotFromURL" is executed with success. | Tag *(string)* <br> |
+| On any "SaveScreenshotFromURL" success | Trigger when any of the "SaveScreenshotFromURL" are executed with success. |  |
+| On "SaveScreenshotFromURL" error | Trigger when the "SaveScreenshotFromURL" failed to execute. | Tag *(string)* <br> |
+| On any "SaveScreenshotFromURL" error | Trigger when any of the "SaveScreenshotFromURL" failed to execute. |  |
+| On "AddScreenshotToLibrary" success | Trigger when the "AddScreenshotToLibrary" is executed with success. | Tag *(string)* <br> |
+| On any "AddScreenshotToLibrary" success | Trigger when any of the "AddScreenshotToLibrary" are executed with success. |  |
+| On "AddScreenshotToLibrary" error | Trigger when the "AddScreenshotToLibrary" failed to execute. | Tag *(string)* <br> |
+| On any "AddScreenshotToLibrary" error | Trigger when any of the "AddScreenshotToLibrary" failed to execute. |  |
 | On "CheckDLCIsInstalled" success | Trigger when the "CheckDLCIsInstalled" is executed with success. | Tag *(string)* <br> |
 | On any "CheckDLCIsInstalled" success | Trigger when any of the "CheckDLCIsInstalled" are executed with success. |  |
 | On "CheckDLCIsInstalled" error | Trigger when the "CheckDLCIsInstalled" failed to execute. | Tag *(string)* <br> |
@@ -557,6 +569,10 @@ When Download type is Around the user, the offsets are the amount of entries aro
 | ActivateToStoreResult | The result of the "ActivateToStore last call" | string |  | 
 | TriggerScreenshotError | The error of the "TriggerScreenshot last call" | string |  | 
 | TriggerScreenshotResult | The result of the "TriggerScreenshot last call" | string |  | 
+| SaveScreenshotFromURLError | The error of the "SaveScreenshotFromURL last call" | string |  | 
+| SaveScreenshotFromURLResult | The result of the "SaveScreenshotFromURL last call" | string |  | 
+| AddScreenshotToLibraryError | The error of the "AddScreenshotToLibrary last call" | string |  | 
+| AddScreenshotToLibraryResult | The result of the "AddScreenshotToLibrary last call" | string |  | 
 | CheckDLCIsInstalledError | The error of the "CheckDLCIsInstalled last call" | string |  | 
 | CheckDLCIsInstalledResult | The result of the "CheckDLCIsInstalled last call" | string |  | 
 | CreateWorkshopItemError | The error of the "CreateWorkshopItem last call" | string |  | 
diff --git a/src/instance.js b/src/instance.js
index ca345d0..a8d09fb 100644
--- a/src/instance.js
+++ b/src/instance.js
@@ -2302,6 +2302,115 @@ function getInstanceJs(parentClass, addonTriggers, C3) {
     _TriggerScreenshot = this._TriggerScreenshotBase
     _TriggerScreenshotSync = this._TriggerScreenshotBase
 
+    // Save Screenshot from URL
+    _SaveScreenshotFromURLBase = this.wrap(super._SaveScreenshotFromURL, async (
+      /** @type {string} */ url,
+      /** @type {Tag} */ tag
+    ) => {
+      try {
+        // Load the image from URL and convert to base64
+        const img = new Image();
+        img.crossOrigin = 'anonymous';
+        
+        const imageLoaded = new Promise((resolve, reject) => {
+          img.onload = () => resolve(img);
+          img.onerror = (e) => reject(new Error('Failed to load image from URL'));
+        });
+        
+        img.src = url;
+        await imageLoaded;
+        
+        // Get dimensions
+        const width = img.naturalWidth;
+        const height = img.naturalHeight;
+        
+        // Convert to base64 data URL
+        const canvas = document.createElement('canvas');
+        canvas.width = width;
+        canvas.height = height;
+        const ctx = canvas.getContext('2d');
+        if (!ctx) {
+          throw new Error('Failed to get canvas context');
+        }
+        ctx.drawImage(img, 0, 0);
+        const dataUrl = canvas.toDataURL('image/png');
+        
+        const order = {
+          url: '/steam/screenshots/save',
+          body: {
+            dataUrl,
+            width,
+            height,
+          },
+        };
+        const answer = await this.ws?.sendAndWaitForResponse(order);
+        if (answer?.body.success === false) {
+          throw new Error(answer?.body.error || 'Failed to save screenshot')
+        }
+        this._SaveScreenshotFromURLResultValue = answer?.body.data ?? ''
+        this._SaveScreenshotFromURLErrorValue = ''
+
+        await this.trigger(tag, [
+          C3.Plugins.pipelabv2.Cnds.OnSaveScreenshotFromURLSuccess,
+          C3.Plugins.pipelabv2.Cnds.OnAnySaveScreenshotFromURLSuccess
+        ])
+      } catch (e) {
+        if (e instanceof Error) {
+          this._SaveScreenshotFromURLErrorValue = e.message
+          this._SaveScreenshotFromURLResultValue = ''
+          await this.trigger(tag, [
+            C3.Plugins.pipelabv2.Cnds.OnSaveScreenshotFromURLError,
+            C3.Plugins.pipelabv2.Cnds.OnAnySaveScreenshotFromURLError
+          ])
+        }
+      }
+    }, this.unsupportedEngine)
+    _SaveScreenshotFromURL = this._SaveScreenshotFromURLBase
+    _SaveScreenshotFromURLSync = this._SaveScreenshotFromURLBase
+
+    // Add Screenshot to Library
+    _AddScreenshotToLibraryBase = this.wrap(super._AddScreenshotToLibrary, async (
+      /** @type {string} */ filename,
+      /** @type {string} */ thumbnailFilename,
+      /** @type {number} */ width,
+      /** @type {number} */ height,
+      /** @type {Tag} */ tag
+    ) => {
+      try {
+        /** @type {import('@pipelab/core').MakeInputOutput<import('@pipelab/core').SteamRaw<'screenshots', 'addScreenshotToLibrary'>, 'input'>} */
+        const order = {
+          url: '/steam/raw',
+          body: {
+            namespace: 'screenshots',
+            method: 'addScreenshotToLibrary',
+            args: [filename, thumbnailFilename || null, width, height],
+          },
+        };
+        const answer = await this.ws?.sendAndWaitForResponse(order);
+        if (answer?.body.success === false) {
+          throw new Error(answer?.body.error || 'Failed to add screenshot to library')
+        }
+        this._AddScreenshotToLibraryResultValue = answer?.body.data ?? -1
+        this._AddScreenshotToLibraryErrorValue = ''
+
+        await this.trigger(tag, [
+          C3.Plugins.pipelabv2.Cnds.OnAddScreenshotToLibrarySuccess,
+          C3.Plugins.pipelabv2.Cnds.OnAnyAddScreenshotToLibrarySuccess
+        ])
+      } catch (e) {
+        if (e instanceof Error) {
+          this._AddScreenshotToLibraryErrorValue = e.message
+          this._AddScreenshotToLibraryResultValue = -1
+          await this.trigger(tag, [
+            C3.Plugins.pipelabv2.Cnds.OnAddScreenshotToLibraryError,
+            C3.Plugins.pipelabv2.Cnds.OnAnyAddScreenshotToLibraryError
+          ])
+        }
+      }
+    }, this.unsupportedEngine)
+    _AddScreenshotToLibrary = this._AddScreenshotToLibraryBase
+    _AddScreenshotToLibrarySync = this._AddScreenshotToLibraryBase
+
     // Steam DLC
     _CheckDLCIsInstalledBase = this.wrap(super._CheckDLCIsInstalled, async (
       /** @type {number} */ appId,
@@ -3566,6 +3675,16 @@ function getInstanceJs(parentClass, addonTriggers, C3) {
     _OnTriggerScreenshotError = this.wrap(super._OnTriggerScreenshotError, (/** @type {Tag} */ tag) => this._currentTag === tag)
     _OnAnyTriggerScreenshotError = this.wrap(super._OnAnyTriggerScreenshotError, () => true)
 
+    _OnSaveScreenshotFromURLSuccess = this.wrap(super._OnSaveScreenshotFromURLSuccess, (/** @type {Tag} */ tag) => this._currentTag === tag)
+    _OnAnySaveScreenshotFromURLSuccess = this.wrap(super._OnAnySaveScreenshotFromURLSuccess, () => true)
+    _OnSaveScreenshotFromURLError = this.wrap(super._OnSaveScreenshotFromURLError, (/** @type {Tag} */ tag) => this._currentTag === tag)
+    _OnAnySaveScreenshotFromURLError = this.wrap(super._OnAnySaveScreenshotFromURLError, () => true)
+
+    _OnAddScreenshotToLibrarySuccess = this.wrap(super._OnAddScreenshotToLibrarySuccess, (/** @type {Tag} */ tag) => this._currentTag === tag)
+    _OnAnyAddScreenshotToLibrarySuccess = this.wrap(super._OnAnyAddScreenshotToLibrarySuccess, () => true)
+    _OnAddScreenshotToLibraryError = this.wrap(super._OnAddScreenshotToLibraryError, (/** @type {Tag} */ tag) => this._currentTag === tag)
+    _OnAnyAddScreenshotToLibraryError = this.wrap(super._OnAnyAddScreenshotToLibraryError, () => true)
+
     _OnCheckDLCIsInstalledSuccess = this.wrap(super._OnCheckDLCIsInstalledSuccess, (/** @type {Tag} */ tag) => this._currentTag === tag)
     _OnAnyCheckDLCIsInstalledSuccess = this.wrap(super._OnAnyCheckDLCIsInstalledSuccess, () => true)
     _OnCheckDLCIsInstalledError = this.wrap(super._OnCheckDLCIsInstalledError, (/** @type {Tag} */ tag) => this._currentTag === tag)
@@ -4130,6 +4249,20 @@ function getInstanceJs(parentClass, addonTriggers, C3) {
       return this._TriggerScreenshotResultValue
     })
 
+    _SaveScreenshotFromURLError = this.exprs(super._SaveScreenshotFromURLError, () => {
+      return this._SaveScreenshotFromURLErrorValue
+    })
+    _SaveScreenshotFromURLResult = this.exprs(super._SaveScreenshotFromURLResult, () => {
+      return this._SaveScreenshotFromURLResultValue
+    })
+
+    _AddScreenshotToLibraryError = this.exprs(super._AddScreenshotToLibraryError, () => {
+      return this._AddScreenshotToLibraryErrorValue
+    })
+    _AddScreenshotToLibraryResult = this.exprs(super._AddScreenshotToLibraryResult, () => {
+      return this._AddScreenshotToLibraryResultValue
+    })
+
     _CheckDLCIsInstalledError = this.exprs(super._CheckDLCIsInstalledError, () => {
       return this._CheckDLCIsInstalledErrorValue
     })
diff --git a/src/pluginConfig.js b/src/pluginConfig.js
index e33f9e0..0c4039b 100644
--- a/src/pluginConfig.js
+++ b/src/pluginConfig.js
@@ -1223,6 +1223,63 @@ const TriggerScreenshot = ACEGenerator("TriggerScreenshot", /** @type {const} */
   description: "Captures the current screen and saves to Steam screenshot library",
 }))
 
+const SaveScreenshotFromURL = ACEGenerator("SaveScreenshotFromURL", /** @type {const} */({
+  category: "steam",
+  highlight: false,
+  deprecated: false,
+  params: [
+    {
+      id: 'url',
+      desc: "The URL of the image to save as a screenshot (will be converted to base64)",
+      name: "URL",
+      type: 'string',
+      initialValue: "\"\"",
+    }
+  ],
+  listName: "Save screenshot from URL",
+  displayText: "Save screenshot from URL [b]{0}[/b]",
+  description: "Saves an image from a URL as a Steam screenshot. The image will be loaded, converted to base64, and its dimensions calculated automatically.",
+}))
+
+const AddScreenshotToLibrary = ACEGenerator("AddScreenshotToLibrary", /** @type {const} */({
+  category: "steam",
+  highlight: false,
+  deprecated: false,
+  params: [
+    {
+      id: 'filename',
+      desc: "The absolute path to the screenshot file on disk",
+      name: "Filename",
+      type: 'string',
+      initialValue: "\"\"",
+    },
+    {
+      id: 'thumbnailFilename',
+      desc: "Optional absolute path to a thumbnail file (leave empty for no thumbnail)",
+      name: "Thumbnail Filename",
+      type: 'string',
+      initialValue: "\"\"",
+    },
+    {
+      id: 'width',
+      desc: "The width of the screenshot in pixels",
+      name: "Width",
+      type: 'number',
+      initialValue: "0",
+    },
+    {
+      id: 'height',
+      desc: "The height of the screenshot in pixels",
+      name: "Height",
+      type: 'number',
+      initialValue: "0",
+    }
+  ],
+  listName: "Add screenshot to library",
+  displayText: "Add screenshot [b]{0}[/b] to library (thumbnail: {1}, size: {2}x{3})",
+  description: "Adds an existing screenshot file to the Steam screenshot library. Returns the handle of the screenshot.",
+}))
+
 // Steam DLC
 const CheckDLCIsInstalled = ACEGenerator("CheckDLCIsInstalled", /** @type {const} */({
   category: "steam",
@@ -1789,6 +1846,8 @@ const Config = /** @type {const} */({
     ...ActivateToWebPage.actions,
     ...ActivateToStore.actions,
     ...TriggerScreenshot.actions,
+    ...SaveScreenshotFromURL.actions,
+    ...AddScreenshotToLibrary.actions,
     ...CheckDLCIsInstalled.actions,
     ...CreateWorkshopItem.actions,
     ...UpdateWorkshopItem.actions,
@@ -1856,6 +1915,8 @@ const Config = /** @type {const} */({
     ...ActivateToWebPage.conditions,
     ...ActivateToStore.conditions,
     ...TriggerScreenshot.conditions,
+    ...SaveScreenshotFromURL.conditions,
+    ...AddScreenshotToLibrary.conditions,
     ...CheckDLCIsInstalled.conditions,
     ...CreateWorkshopItem.conditions,
     ...UpdateWorkshopItem.conditions,
@@ -1994,6 +2055,8 @@ const Config = /** @type {const} */({
     ...ActivateToWebPage.expressions,
     ...ActivateToStore.expressions,
     ...TriggerScreenshot.expressions,
+    ...SaveScreenshotFromURL.expressions,
+    ...AddScreenshotToLibrary.expressions,
     ...CheckDLCIsInstalled.expressions,
     ...CreateWorkshopItem.expressions,
     ...UpdateWorkshopItem.expressions,