Blog
Insights, tutorials, and updates from the RenderIO team
FFmpeg Generate Thumbnail: Frames, Grids and Batch
How to generate thumbnails with FFmpeg: single frames, multi-frame grids, best-frame selection, and batch processing via API.
April 14, 2026 · RenderIO
FFmpeg.wasm: Run FFmpeg in the Browser Without a Server
A practical guide to ffmpeg.wasm: how it works, how to install it, what it can actually handle, and when client-side processing is the wrong call.
April 13, 2026 · RenderIO
FFmpeg Speed Up Video: setpts, atempo + Time-Lapse Guide
Speed up or slow down video in FFmpeg with setpts and atempo. Covers audio sync, atempo chaining, time-lapse, slow motion, and batch processing via API.
April 10, 2026 · RenderIO
FFmpeg Remove Audio: Mute, Strip, or Replace Audio Tracks
How to remove audio from video with FFmpeg: mute with -an, strip specific streams, or swap the audio track. CLI commands and RenderIO API examples.
April 9, 2026 · RenderIO
FFmpeg Scale Video: Resize to 4K, 1080p, 720p + API
How to ffmpeg scale video: syntax, aspect ratio tricks, platform presets for TikTok/YouTube, letterboxing, and batch scaling via API.
April 8, 2026 · RenderIO
FFmpeg Concat Guide: Demuxer, Filter, Protocol and API
A complete reference for FFmpeg concat: when to use the demuxer, filter, or protocol, how to fix common errors, and how to run concat at scale via API.
April 7, 2026 · RenderIO