You can also try these related scripts:

• Undiscord - Delete all messages in a Discord channel or DM (Bulk deletion)
• 🌟 Ultimate Web Enhancer 🚀 - A powerful script to enhance YouTube, Facebook, X, Spotify, Reddit, Twitch, Instagram, LinkedIn, TikTok, Pinterest, Netflix, Amazon Prime, Discord, GitHub, Google, Wikipedia, eBay, Hulu, Quora, Medium, Stack Overflow, IMDb, SoundCloud, Vimeo, and more with intelligent features.
• Lift Web Restrictions: .io Game Mods (MooMoo.io/Krunker.io/..), Ad Link Bypasser, Adblock, & MORE! - A huge userscript that modifies hundreds of websites, adding mods, hacks, new features, and quality-of-life to the web! (in beta) Notable features: auto-redirects, a fully-featured MooMoo.io hack, Google Classroom dark mode, mass delete discord messages, remove ads on baidu, disable Google Analytics, Facebook ad blocker!
• Deletecord - Mass Delete Discord Messages - Adds a button to the Discord browser UI to mass delete messages from Discord channels and direct messages
• Discord Watch Deleted Messages - Records all deleted messages in every opened channel and stores them so you can read it later ;)