General

An SRT file generator turns spoken content into a separate, editable subtitle track. This guide explains the file format, a four-step creation workflow, practical quality checks, UniFab's current credit model, and the tradeoffs between cloud, browser-local, and manual subtitle workflows.

The right Filmora watermark removal path depends on whether the original WFP project still exists. This guide compares official re-export, authorized editing options for ordinary overlays, privacy and quality tradeoffs, future editor choices, and realistic restoration after a clip has already been altered.

HDR to SDR conversion maps high-dynamic-range video (Rec.2100, 10-bit, up to 1000+ nits) into standard Rec.709 8-bit output so it plays correctly on non-HDR screens instead of looking gray or washed out. This guide explains tone mapping, compares the best HDR to SDR converters (UniFab, DaVinci Resolve, Convertio, CapCut, HandBrake, FFmpeg), and walks through six step-by-step methods validated on real 4K HDR10 footage.

Need to know how to remove audio from video — to strip background noise, mute copyrighted music before uploading, or prep b-roll for a voiceover? This 2026 guide covers 7 proven methods to remove audio from video across Windows, Mac, mobile, and the browser, led by the free UniFab Vocal Remover AI for lossless, one-click stripping. Each method includes step-by-step instructions, two comparison tables, pro tips, and a 10-question FAQ.

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.