Blog

How to Optimize Video for Web: Fast Start, Core Web Vitals, and SEO

Learn why MP4 videos load slowly on websites and how to fix it. Moving the moov atom enables instant playback and improves your LCP score for better Google rankings.

February 10, 2026

How to Compress Video Online Free (Without Losing Quality)

Learn how to compress videos for free using browser-based tools. No uploads required, complete privacy, and professional results in minutes.

February 10, 20268 min read

How to Resize Video for Social Media (Every Platform's Specs)

Complete guide to video dimensions for YouTube, TikTok, Instagram, LinkedIn, and more. Learn when to crop, letterbox, or stretch.

February 8, 20269 min read

How to Extract Audio from Video (MP3, WAV, and More)

Extract audio from any video file and convert to MP3, WAV, FLAC, or AAC. Free, private, and browser-based with no upload required.

February 5, 20267 min read

Getting Started with Video Resizing

Learn the fundamentals of video resizing, aspect ratios, and how to prepare your videos for different platforms without losing quality.

January 8, 20265 min read

Understanding Aspect Ratios: A Complete Guide

What is an aspect ratio and why does it matter? We break down common ratios like 16:9, 9:16, and 1:1 and when to use each.

January 5, 20267 min read

How We Built VidStudio with FFmpeg WASM

A technical deep-dive into how we brought FFmpeg to the browser using WebAssembly, enabling private, client-side video processing.

January 1, 202610 min read

Video Specs for Every Social Platform in 2026

The definitive guide to video dimensions, file sizes, and formats for YouTube, TikTok, Instagram, LinkedIn, and more.

December 28, 20258 min read

Letterboxing vs Cropping: When to Use Each

Should you add black bars or crop your video? Learn the pros and cons of each approach for different use cases.

December 20, 20254 min read