https://reelbox-10k.pages.dev/blog Guides and explainers from Reelbox, a web player for the videos in your Telegram chats. en https://reelbox-10k.pages.dev/blog/our-own-video-player https://reelbox-10k.pages.dev/blog/our-own-video-player Wed, 21 Oct 2026 09:00:00 GMT Browsers play a short list of video formats. We built a player that also opens MKV, HEVC and files with several audio and subtitle tracks, right in the page. https://reelbox-10k.pages.dev/blog/audio-tracks-and-languages https://reelbox-10k.pages.dev/blog/audio-tracks-and-languages Wed, 21 Oct 2026 09:00:00 GMT Many video files carry more than one audio track: other languages, commentary or audio description. How to see them in the player and switch between them. https://reelbox-10k.pages.dev/blog/subtitles-in-the-player https://reelbox-10k.pages.dev/blog/subtitles-in-the-player Wed, 21 Oct 2026 09:00:00 GMT Turn on subtitle tracks stored in a video file, find matching ones online, move lines that arrive early or late, and set size, colour and position. https://reelbox-10k.pages.dev/blog/speed-decoder-and-picture-in-picture https://reelbox-10k.pages.dev/blog/speed-decoder-and-picture-in-picture Wed, 21 Oct 2026 09:00:00 GMT Play from 0.5x to 2x, choose between the built-in decoder and the browser’s own, and keep a video playing in a corner or in a window above other apps. https://reelbox-10k.pages.dev/blog/keyboard-shortcuts https://reelbox-10k.pages.dev/blog/keyboard-shortcuts Wed, 21 Oct 2026 09:00:00 GMT Play and pause with K or Space, skip 10 seconds with J and L, jump with 0 to 9, and shift subtitle timing with Z and X. The full list.