Download YouTube captions, generate millisecond-accurate SRT subtitles, create AI voiceovers, transcribe and translate — 9 free browser tools for creators. No sign-up.
Publishing a YouTube video used to be simple: upload, publish, done. Now the algorithm rewards chapters, decent thumbnails, translated subtitles for international viewers, tight audio, and searchable transcripts. Every one of those is a small friction point that adds up to hours per video.
This toolkit is a collection of small, focused browser tools that each solve one of those friction points — no sign-up, no watermark, no upsell to a paid tier. You use what you need, close the tab, come back next week for the next video.
Finished editing a video? Extract chapters with the timestamp generator — paste the URL, get a formatted chapter list, drop it into the description. Uploading in a language other than English? Grab the auto-transcript with the caption downloader, run it through the subtitle translator, upload the localized SRTs as separate subtitle tracks — instant international accessibility.
Need voiceover for an unnarrated cut? The text-to-speech tool produces natural voices in 50+ languages. Need to transcribe your recorded interview into a searchable format? In-browser Whisper handles it locally, or Groq Whisper if you need speed and don't mind the audio going to a fast API.
Every tool here runs in your browser. That means: no installer, no login, no license, works on Windows, Mac, ChromeOS, Linux, tablets. Works on rented or shared machines. Works when you're traveling and forgot your laptop. Bookmark the site, done.
For most YouTuber workflows, in-browser is faster than downloading a native tool anyway — the friction of install/uninstall for a one-off task is high. These tools live at a URL; the URL is the tool.
Yes — every tool listed here is completely free, no sign-up, no watermark on outputs, no artificial limits.
Most tools process everything locally in your browser. The exceptions (Groq Whisper, translation) send content to a third-party API for processing but don't retain it. See each tool's page for specifics.
Yes — the GistAI Android app is an on-device AI summarizer for videos, articles, and PDFs. The web tools listed here are separate.
Yes — email [email protected] with the idea. Tools built here tend to solve specific friction points that recurred in real workflows.
It's built as a side project by a solo developer. If a tool saved you time, a coffee tip is appreciated but never required.