Think Bigger From Filmora User Guide
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Preparations for Mac
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Account (Mac)
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Get Started & Basic Settings (Mac)
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Compatibility & Tech Specs (Mac)
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Performance Settings (Mac)
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Creating Projects - Mac
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Creating New Projects (Mac)
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Importing & Recording - Mac
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Importing (Mac)
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Recording (Mac)
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Video Editing for Mac
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Basic Video Editing for Mac
- Enable/Disable Clip for Mac
- Auto Ripple for Mac
- Split & cut videos on Mac
- Compositing on Mac
- Crop and zoom on Mac
- Playback Zoom Level for Mac
- Change speed on Mac
- Playback Speed Shortcuts for Mac
- Play video in reverse on Mac
- Mark In and Mark Out for Mac
- Markers for Mac
- Group clips on Mac
- Customized Backgrounds for Videos and Images in Mac
- Video snapshot on Mac
- Freeze frame on Mac
- Auto enhance on Mac
- Applying Drop Shadow for Mac
- Adjustment Layer for Mac
- Mark clip on Mac
- Apply Transforming for Mac
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Advanced Video Editing for Mac
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AI-Powered Video Editing for Mac
- Create With Instant Mode on Mac
- AI Text-to-Video for Mac
- Instant Cutter Tool on Mac
- AI Text-Based Editing in Mac
- ChatGPT Plugin - AI Copywriting on Mac
- AI smart cutout for Mac
- Auto reframe on Mac
- AI portrait on Mac
- Scene detection on Mac
- AI Smart Masking for Mac
- AI Copilot Editing for Mac
- Motion Tracking on Mac
- Stabilize video on Mac
- AI Object Remover For Mac
- AI Smart Search for Mac
- AI Skin Tone Protection for Mac
- Green screen on Mac
- Super Slow Motion with Optical Flow for Mac
- Lens correction on Mac
- AI stylizer on Mac
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Audio Editing for Mac
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Basic Audio Editing for Mac
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Advanced Audio Editing for Mac
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AI-Powered Audio Editing for Mac
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Text Editing for Mac
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Basic Text Editing for Mac
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Advanced Text Editing for Mac
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AI-Powered Text Editing for Mac
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Video Customizations for Mac
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Video Effects (Mac)
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Audio Effects (Mac)
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Transitions (Mac)
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Stickers (Mac)
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Filters (Mac)
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Color Editing (Mac)
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Animations (Mac)
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Templates (Mac)
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Exporting & Share & Cloud Backup - Mac
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Exporting & Share (Mac)
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Cloud Backup (Mac)
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Render Preview Files
This lesson of our Filmora tutorial is dedicated to the Render Button that will ensure the smooth playback of video files and visual effects, you add to the timeline.
Rendering Previews from Filmora’s Timeline
The playback of high-resolution video files can lag sometimes if the computer used for editing those files doesn’t have enough processing power. Lagging can occur regardless of the video editing software you are using, but Filmora offers a quick way to fix this issue.
The rendering process can be described as a process during which a computer processes information from a particular data source and creates a preview image that is displayed in the software’s preview window.
After you add new media files to the Filmora’s timeline, a red line will appear over the portion of the timeline these media files occupy indicating that the footage hasn’t been rendered yet.
Your computer will generate rendered versions of the files you placed on the timeline after you click on the Render Preview button that is located in the upper left corner of the Filmora’s timeline.
The Render Progress bar will pop up on the screen, informing you about how much time remains until the rendering process is completed.
Keep in mind that rendering process can take a while if you are working with a lot of different high-resolution files.
The rendering process will eliminate the lagging effect that commonly occurs when multiple visual effects are applied to the footage. Once the rendering process is completed, the red line displayed over the media files will turn green.
Under its default settings, Filmora doesn’t automatically render all files you add to the timeline, so all video clips or visual effects you placed on the timeline after the rendering process is completed have to be rendered separately. The red line is going to be displayed over all unrendered media files on the timeline.
Besides clicking on the Render Preview button, you can also hit Enter button on your keyboard to start a new rendering session. Rendering all media files added to timeline will make the workflow smoother and faster.
Adjusting the Render Preview Settings
You can set different render preview settings for each new project separately. Simply click on the Preferences option in the File menu and once the Preferences window pops up on the screen head over to the Performance menu.
Under the Preview Render menu, you can enable the Background render option which will perform the rendering automatically after you add a new media file to the timeline. You can set up how long it takes for the automatic background rendering start by setting the amount of time. However, enabling Background Render can slow down the Filmora video editor if your computer doesn’t have a lot of processing power.
So, if you are editing a video on a computer with limited processing capabilities, you should leave the background render box unchecked. Filmora lets you set the destination folder for all preview renders you generate while working on a certain project.
Click on the Browse next to the Preview Render file folder and proceed to select the destination on your hard drive where all preview renders are going to be kept.
In case you don’t want to keep the files you render after you close Filmora, you should enable the Automatically delete render files option when closing a project option. However, deleting render files is only advisable if you no longer need them, since going through the rendering process repeatedly can take a lot of time.
Instead, you can just click on the Clean button after you completed a project and delete all preview render files from the destination folder.
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