For YouTubers & Creators

YouTuber Toolkit

Everything a creator needs — captions, transcription, voiceover, image tools. Free, in-browser, no sign-up.

GistAI App
📱 Android App
GistAI — YouTube on Android
Get YouTube captions & AI summaries on your phone. Tap any video — understand the gist in seconds.
Download on Google Play
8 Free Browser Tools
🎬
YouTube Captions & Thumbnail Download
Paste a YouTube link → download SRT/TXT captions and the video thumbnail.
SRT · TXT Thumbnail Free
🎙️
Audio Transcription
Upload MP3/WAV/M4A → Whisper AI transcribes it to text, right in your browser.
Whisper AI MP3 · WAV · M4A
🔄
SRT Time Shifter
Subtitles out of sync? Paste SRT, enter offset in seconds → download fixed file.
SRT Works offline
🔊
AI Voiceover
Type your script → hear it read aloud. Great for Shorts narration or voiceovers.
Works offline Free
⏱️
Script Timer
Paste script, set speaking pace → estimated video length appears instantly.
WPM · Duration Free
📌
Chapter Generator
Enter timestamps + titles → get formatted YouTube chapter text, ready to paste.
YouTube Free
🖼️
Image Converter
Convert WebP, JPG or PNG in-browser — batch, no watermark, no upload.
WebP · JPG · PNG Works offline
🔳
QR Code Generator
Turn any link — channel, Linktree, bio — into a scannable QR code.
No expiry Works offline
Built in the quiet hours, between everything else. Bookmark it for next time — and if it helped — ☕ Buy me a coffee
☕ If it saved you time — Buy me a coffee