You can create a highly customizable, dynamic timer in Adobe After Effects fast by combining a Slider Control with a Source Text Expression. This method gives you total control over the time format, speed, and design without any external plugins. 🎬 Step-by-Step Setup Guide 1. Prepare Your Text Layer
Create a new text layer by going to Layer > New > Text (or press Ctrl+Alt+Shift+T / Cmd+Opt+Shift+T). Type any placeholder digit (like 0).
Open the Paragraph Panel and set the alignment to Center Text. Crucial step: This prevents your text from shifting awkwardly as the numbers change.
Use the Align Panel to center your anchor point in the middle of your composition. 2. Add a Slider Control Select your text layer.
Go to the top menu and select Effect > Expression Controls > Slider Control.
This slider will act as the master “seconds counter” for your animation. 3. Apply the Dynamic Expression
Twirl open your text layer properties in the timeline panel until you see Source Text.
Hold Alt (Windows) or Option (Mac) and click the stopwatch icon next to Source Text.
Paste the following clean JavaScript expression into the expression field: javascript
slider = effect(“Slider Control”)(“Slider”); sec = Math.floor(slider % 60); min = Math.floor(slider / 60); function zero(x) { if (x < 10) return “0” + x; else return x; } zero(min) + “:” + zero(sec) Use code with caution.
(Note: If you want an HH:MM:SS format, you can adjust the math to extract hours and string them together). 4. Animate the Dynamic Timer
Move your playhead to the frame where you want the timer to start.
Go to the Slider Control in your Effect Controls panel and click the stopwatch to add a keyframe.
For a Countdown: Set the first keyframe value to your total duration in seconds (e.g., 60 for 1 minute, 300 for 5 minutes). Move down the timeline and set the final keyframe value to 0.
For a Count-up: Set the first keyframe to 0 and the final keyframe to your desired end time. 🚀 Customizing Speed & Style Dynamically Countdown Timer Tutorial in After Effects
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