General

UHD and 4K are used interchangeably, but they are not identical: UHD (3840 x 2160) is the consumer TV, monitor, and streaming standard, while true DCI 4K (4096 x 2160) is a cinema production standard. This guide explains the exact resolution, aspect-ratio, and use-case differences, clarifies 4K UHD vs 4K HDR, and recommends what to prioritize for TVs, gaming, streaming, and pro video — plus how to upscale older footage to 4K UHD with AI.

A complete 2026 explainer on what tone mapping is and how it works in HDR video. We cover why tone mapping is needed, global vs local tone mapping operators, how displays and players apply it, inverse (SDR-to-HDR) tone mapping, and how tools like UniFab use AI tone mapping to upconvert SDR footage to HDR10 and Dolby Vision.

A 2026 guide to watching Amazon Prime Video in HDR and Dolby Vision, covering which devices, apps and subscriptions support HDR playback, the settings to enable it, and how to fix cases where Prime Video won't show HDR. We also explain SDR-to-HDR alternatives with UniFab for content that isn't available in HDR.

A complete 2026 guide to uploading HDR video on YouTube so it plays back in true HDR. We cover the right export and encoding settings, HDR metadata, HDR10 and Dolby Vision considerations, common reasons HDR uploads look wrong, and how to convert SDR footage to HDR with UniFab before uploading.

A detailed 2026 comparison of the DJI Osmo Pocket 1 vs Osmo Pocket 2, covering sensor size, field of view, image quality, stabilization, audio, battery and price to help you decide which pocket gimbal camera to buy. We also show how to enhance and HDR-upconvert your Osmo footage with UniFab.

A 2026 roundup of the 12 best HDR video players for Windows, Mac, Android and iOS that correctly display HDR10 and Dolby Vision content. We cover free and paid players, what to look for in HDR playback, and how to convert your own SDR footage to HDR with UniFab HDR Upconverter AI.

A 2026 720p vs 1080p guide covering exact resolutions, real-world image quality, streaming bandwidth, gaming performance, security cameras, video editing, and file sizes — plus when 720p is the smarter choice and how AI upscaling rebuilds 720p footage into clean 1080p.

A 2026 review of Cisdem Video Converter — the macOS-focused desktop converter supporting 300+ formats with editing, DVD ripping, and batch processing. We cover real-world testing on a 10-minute MP4 to MOV conversion, the -89 pricing tiers compared to free alternatives, the macOS-first design that limits its Windows feature parity, our head-to-head against UniFab Video Converter, and the workflows where each tool wins. Includes a five-step Cisdem conversion walkthrough and our free-alternative recommendation for users priced out of the Pro tier.

An honest 2026 review of HitPaw Video Converter (rebranded as HitPaw Univd). We cover real feature coverage across 1,000+ formats, the antivirus false-positive history that drives is-HitPaw-safe searches, full 2026 pricing tiers including the autorenew gotcha, our hands-on head-to-head against UniFab Video Converter, and the workflows where each tool wins. Includes a step-by-step UniFab walkthrough for users who want a free desktop alternative without the watermark or licence friction.

A 2026 hands-on guide to converting MP4 to WebM — the open, royalty-free web video format that produces 10-30% smaller files than MP4 at comparable quality. We tested six tools across desktop (UniFab Video Converter, MiniTool, Shutter Encoder) and online (VEED.io, Online-Convert.com, AnyConv), unpack WebM vs MP4 differences, cover the six quality settings that keep your VP9 output indistinguishable from the source, and answer 12 FAQs covering Mac support, batch conversion, transparency, and browser coverage.