
Bulk Audio + Clip Combiner
The missing tool for producers who post.
What it does
Producers spend hours making the perfect beat. They shouldn't have to spend another hour syncing it to a clip just to post on TikTok. Beat + Clip Combiner is a free browser-based tool that lets you drag and drop your audio and video files, pair them up, and combine them into upload-ready MP4s in seconds. No installs, no CapCut, no manual syncing. Just drop and go. Outputs MP4s ready for TikTok, Instagram Reels, and YouTube Shorts.
Does the same job
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Hi Hacker News, I'm excited to share Paste2Download, a web app that lets you download videos from various platforms like TikTok, YouTube, Instagram Reels, YouTube Shorts, Pinterest, and even 9Gag, all without watermarks. What it does: Paste2Download simplifies the process of downloading videos by allowing you to paste a video URL from multiple platforms and download the video directly to your device. It removes watermarks and supports a wide range of video sources. Why I built it: There are plenty of sites that can help with downloading videos from TikTok, but many of these websites are…


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I wanted to share a side-project we’ve been working on: SplitScreen – a tool designed to simplify the creation of side-by-side videos for social media platforms like TikTok, YouTube Shorts, and Instagram Reels. What is SplitScreen? SplitScreen is a straightforward tool that allows you to combine two videos side-by-side in just a few clicks. We built it because we needed a simple, efficient way to create these dual-video posts without the usual hassle. It's made for content creators who want to focus on creativity without getting bogged down in technical details. Key Features: Effortless…
More growth this month
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AstraPixels▲267A pixel-art solar system at its real current positions.
Growth · 29d ago · astrapixels.com
Launched alongside, May 2026
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Parallel agents, diff reviewer, and multi-model comparisons
Dev tools · May 2026 · kilo.ai


- NW
Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
Life & fun · May 2026 · github.com
- FM
Dev tools · May 2026 · github.com