Blog
Insights, tutorials, and updates from the RenderIO team
FFmpeg Watermark: Add Image and Text Overlays to Video
Add image and text watermarks to video with FFmpeg. Covers overlay, drawtext, scale2ref, opacity, animation, subtitle burn-in, batch scripts, and API.
March 20, 2026 · RenderIO
FFmpeg Extract Frames from Video: Every Method
Extract frames from video with FFmpeg. Covers timestamps, intervals, keyframes, scene detection, quality settings, and batch extraction via API.
March 19, 2026 · RenderIO
FFmpeg Merge Videos: Concatenate Clips (3 Methods + API)
Merge videos with FFmpeg using the concat demuxer, filter, or protocol. Covers troubleshooting, batch processing, and doing it via API at scale.
March 17, 2026 · RenderIO
FFmpeg Trim Video: Cut, Split & Extract Clips
How to trim video with FFmpeg using -ss, -to, and the trim filter. Covers keyframe-accurate cutting, batch trimming, and API-based workflows.
March 16, 2026 · RenderIO
FFmpeg Compress Video: Reduce Size, Keep Quality
Compress video with FFmpeg using CRF, two-pass encoding, H.265, and AV1. Practical commands, size comparisons, and batch API compression.
March 13, 2026 · RenderIO
FFmpeg Transcode Video: Complete Codec Conversion Guide
How to transcode video with FFmpeg. H.264, H.265, AV1, VP9 codec conversion, CRF quality settings, batch transcoding, and hardware acceleration.
March 12, 2026 · RenderIO