RIFE Video Interpolation

RIFE Video Interpolation uses the state-of-the-art Real-Time Intermediate Flow Estimation algorithm to increase your video's frame rate by inserting synthetic frames between existing ones. The result is dramatically smoother motion — ideal for slow-motion effects, fixing choppy footage, or simply upgrading the visual quality of any clip.

Why Choose This?

Smooth, natural motion Synthesized frames blend seamlessly with the original footage, eliminating stutters and judder without ghosting or blurring.
Flexible interpolation steps Choose 1 to 4 interpolation frames per original frame pair to dial in exactly the level of smoothness you need.
Works on any footage Talking heads, action shots, cinematic scenes, screen recordings — RIFE adapts to a wide range of video content.
No local setup Upload, run, and download. No GPU required on your end.

Parameters

Parameter	Required	Description
video	Yes	Input video to interpolate (URL or file upload).
num_frames	No	Number of frames to insert between each original frame pair. Options: 1, 2, 3, 4.

How to Use

Upload your video — provide the clip you want to smooth via URL or drag-and-drop.
Set num_frames — choose how many synthetic frames to insert between each original frame pair (1 = mild, 4 = maximum smoothness).
Submit — process, preview, and download your interpolated video.

Pricing

$0.01 per second of input video, with a minimum charge of 1 second.

Best Use Cases

Slow-motion effects — Dramatically slow down footage while maintaining smooth, fluid motion.
Frame rate upscaling — Convert 24fps footage to a higher effective frame rate for a more cinematic or broadcast-ready feel.
Fixing choppy video — Smooth out low-frame-rate recordings from older cameras, screen captures, or compressed sources.
Animation smoothing — Increase the fluidity of animated sequences without re-rendering the source.

Pro Tips

Higher num_frames values produce smoother results but may introduce subtle artifacts on very fast motion — test with 2 first if your footage has rapid movement.
RIFE works best on well-lit, stable footage; heavily compressed or noisy input may produce less clean interpolation.
For slow-motion use, shoot at the highest frame rate your camera supports, then interpolate further with RIFE.

Notes

video is the only required field.
Pricing is based on the duration of the input video at $0.01 per second, with a minimum charge of 1 second.
Ensure video URLs are publicly accessible if using a link rather than a direct upload.

RIFE Video Interpolation generates smooth intermediate frames between existing video frames for higher frame rates and smoother motion. Ready-to-use REST inference API, best performance, no cold starts, affordable pricing.

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