New!
Arranges the contents of the editor backpack into an expandable two-way grid, similar to the costume library and increases the size of certain thumbnails.
Theme
Brings back editor cat hat blocks that were first introduced for April Fools' Day 2020.
Recommended
Adds new menu options to the editor: copy/paste blocks, better clean up, and more!
Credits:griffpatch
Recommended
Adds a find bar to find and jump to scripts, costumes and sounds next to the sounds tab. Use Ctrl+Left and Ctrl+Right in the code area to navigate to previous or next visited position after using the find bar.
Credits:griffpatch, TheColaber
This addon was previously part of the "developer tools" addon but has moved here.
Recommended
Middle or shift-click the code area, or press Ctrl+Space to bring up a block search window. Type block names (or parts of them) and drag them into the code area to add them to your project. The menu can be navigated with the arrow keys and Enter and supports autocompleting with Tab. To prevent the menu from closing, hold Shift while dragging blocks out of it.
Credits:Tacodiva, griffpatch, TheColaber, CST1229
This addon was previously part of the "developer tools" addon but has moved here.
Recommended
Allows you to jump to a custom block's definition using the middle mouse button or Shift+Click on the block.
Credits:griffpatch
This addon was previously part of the "developer tools" addon but has moved here.
Recommended
Allows rearranging custom block parameters on the "Make a block" screen.
Credits:Chrome_Cat
Recommended
Allows you to search the options in block dropdowns.
Credits:GarboMuffin
Recommended
Provides tweaks for the Data ("Variables") block category.
Theme
Adds icons inside the colored circles that identify block categories.
Recommended
Hides the block palette unless you're hovering over it. Click the lock icon to lock it in place temporarily. Or use the "category click" mode to show/hide it when you click a block category.
Recommended
Adds a "start recording" button to the editor menu bar that allows you to record the project's stage.
Recommended
Lets you drag images and sounds from your file manager into the sprite pane or costume/sound list. You can also drag text files into lists or "ask and wait" question inputs.
Credits:Sheep_maker
Adds a new "debugger" window to the editor. Allows for logging into the "Logs" tab of the debugger window using the "log", "warn" and "error" blocks. The "breakpoint" block will pause the project when executed. All running stacks of blocks can be viewed in the "Threads" tab of the debugger window, and when paused the "Step" button can be used to execute the next block. A graph of frames per second and number of clones can be viewed in the "Performance" tab.
Recommended
Adds a button to pause the project next to the green flag.
Credits:Jeffalo, GarboMuffin
The project can also be paused with Alt+X (Option+X on macOS).
Recommended
Ctrl+Click the green flag to mute/unmute the project.
Credits:TheColaber
On macOS, use the Cmd key instead of the Ctrl key.
Recommended
Adds a volume slider next to the green flag controls.
Recommended
Adds a counter above the stage in the editor which shows the total amount of clones.
Recommended
Displays your mouse x/y position above the stage in the editor.
Recommended
Adds hex code inputs to color pickers.
Credits:Richie Bendall, apple502j
Recommended
Asks if you're sure when deleting a sprite inside a project.
Shows the total number of blocks in a project in the editor menu bar. Previously part of "sprite and script count".
Recommended
Shows transparent overlays of previous or next costumes when editing a costume. Controlled by buttons under the costume editor by the zoom buttons.
Credits:GarboMuffin
Snap objects in the costume editor to bounding boxes and vector nodes.
Changes the default colors and outline size used by the costume editor.
Allows you to copy a bitmap image from the costume editor into the system clipboard, so that you can paste it in other websites or software.
"Right click → copy" is not supported. You must press Ctrl+C while a bitmap image is selected.
Replaces saturation and brightness sliders in the costume editor with a 2D color picker. Hold Shift while dragging the cursor to change the values on a single axis.
Hold Ctrl while scaling an object on its sides to skew it. Hold Alt while skewing an object to skew it from its center.
Credits:CST1229
On macOS, use the Command key instead of the Control key and the Option key instead of the Alt key.
Beta
Adds a new button above the "upload costume" button that automatically converts uploaded bitmap images into SVG (vector) images to avoid losing quality.
Allows the eyedropper in the costume editor to also pick colors from the stage.
Credits:GarboMuffin
Theme
Adjust the padding, corner radius, and notch height of blocks.
Theme
Makes certain block input types (such as text or color) rectangular instead of round, like in Scratch 2.0.
Makes blocks of the same category alternate between lighter and darker shades when nested inside each other. This is also known as zebra striping.
ThemeBeta
Decreases the size of buttons, input fields, the menu bar, and other elements in the editor, making more space for components such as the code area, the costume editor, and costume previews, as was the case in Scratch 2.0.
Allows you to hide specific editor menu bar items or remove their labels or icons.
Theme
Edit block colors for each category in the editor.
Theme
Lets you customize the style of text on blocks, including adjusting the size, using bold text, or adding a shadow.
Theme
Makes block right click context menus colorful.
Theme
Moves the stage to the left side of the editor, like in Scratch 2.0.
Theme
Moves the green flag and stop buttons to the right and the full screen button to the left, like in Scratch 2.0.
Adds a tab next to "sounds" in the editor for easily updating variables and lists.
Adds a search box to the sprite pane to search for sprites by name.
Recommended
Hides the sprite properties panel by default, like in Scratch 2.0. Use the info button on the currently selected sprite or double-click a sprite to show the properties panel again. To re-hide it, use the collapse button in the properties panel or double-click a sprite.
Interact with projects using a USB or Bluetooth controller/gamepad.
Plays sound effects when you connect or delete blocks.
Recommended
Adds folders to the sprite pane, as well as costume and sound lists. To create a folder, right click any sprite and click "create folder". Click a folder to open or close it. Right click a sprite to see what folders you can move it to, or alternatively drag and drop it into an open folder. This feature works by adding "[folderName]//" at the beginning of the names for your sprites.
Credits:GarboMuffin
Users with this feature enabled will be able to see the folders in your project. Anyone else will see sprite lists normally (no folders).
Recommended
Right click on a block to switch it to a related block.
Credits:GarboMuffin, pufferfish101007
Auto-shows music, pen, and other extensions in the block category menu in the editor.
Choose custom settings for the minimum, maximum, speed, and start size of the zoom of scripts in the code area, and autohide the controls.
Adds the option to copy values displayed by variable monitors (from the right click context menu) and block reporter balloons.
Change where newly created sprites are placed on the stage.
Right click the code area to export blocks as SVG/PNG images.
Theme
Removes the curved border around the stage, allowing you to see the corners.
Adjust the transparency for blocks in the editor, with separate options for orphaned blocks (those without a hat block at the top) and blocks that are being dragged.
Recommended
Changes the default action of "Choose a Sprite/Costume/Backdrop/Sound" buttons, which open the library by default.
Adds the ability to drag a single block out of the middle of a script (instead of the entire stack attached below it) while holding the Ctrl key.
Credits:lisa_wolfgang, GarboMuffin
On macOS, use the Cmd key instead of the Ctrl key.
If "flip controls" is enabled, grabbing blocks individually will be the default behavior. Hold Ctrl to drag the entire stack.
Do not automatically show monitors for newly created variables or lists.
Adds more keys to the "key () pressed?" and "when () key pressed" block dropdowns, such as enter, dot, comma, and more. These keys will work even for users who do not have this addon.
Hides delete button (trash can icon) from sprites, costumes and sounds. They can still be deleted using the right click context menu.
Allows scripts to be moved and modified without causing overlapping scripts to move around.
Removes the ability to drag sprites around on the stage in the editor, except those explicitly set as draggable. Hold Shift while dragging a sprite to move it normally.
Adds options to the right click context menu for costumes and sounds to move them to the top or the bottom of the list.
This addon was previously part of the "developer tools" addon but has moved here.
Shift+Click a sprite within the sprite pane to move it to the front (top layer) of the stage.
Paste copied items at their original position instead of shifted slightly in the costume editor.
Quickly duplicate a script by dragging it while holding the Alt key. Hold Ctrl as well to only duplicate a single block instead of the entire stack attached below it.
Credits:GarboMuffin
On macOS, use the Option key instead of the Alt key and Command key instead of the Control key.
Adds an option to rename broadcast messages in the broadcast blocks' dropdowns.
Credits:TheColaber, GarboMuffin
Adds more options when renaming an existing variable or list: allows changing between "For all sprites" and "For this sprite only" and whether variables are stored in the cloud. Also adds a new option when right clicking a variable/list to quickly change its scope.
Allows you to preview the contents of comments by hovering over collapsed comments and blocks. You can use this to view comments that are off-screen, identify a loop block from the bottom by its preview, fit many long comments in a small space, and more.
Credits:lisa_wolfgang, GarboMuffin
Theme
Splits the block category menu into two columns and moves it to the top of the block palette, like in Scratch 2.0.
Show Scratch's virtual number pad when editing number fields in blocks on all devices, instead of only touchscreen devices.
Recommended
Use the up and down arrow keys to increase or decrease number values in numeric input fields such as those in blocks or the sprite properties area.
Drag a script to automatically align its position to the code area dots.
Beta
Fixes some undesired effects in the project player's full screen mode, opens it in your browser's full screen mode, and hides the green flag toolbar.
Adds a button next to the "small stage" and "large stage" buttons that hides the stage and the sprite pane, making the code area much larger.
Forces block comments to always be connected to their source block by a horizontal straight line, not at an angle.