Blog & Resources

Guides, comparisons & deep dives

Guides2026-08-213 min read

How to Add Subtitles to a YouTube Video (Without Uploading It to the Cloud)

A step-by-step guide to subtitle a YouTube video while keeping the file on your device — private, fast, and free to start.

Read more →
Reference2026-08-214 min read

SRT vs VTT: Which Subtitle Format Should You Use?

A clear comparison of the two most common subtitle formats — when to use SRT, when VTT, and how SublyAI handles both.

Read more →
Technology2026-08-215 min read

How AI Subtitle Translation Works: the Deepgram + Gemini Two-Phase Pipeline

A look under the hood at SublyAI’s two-phase approach — why separating transcription from translation yields more accurate, better-timed subtitles.

Read more →
Product2026-08-214 min read

Subtitles in Your Video in 3 Clicks — Edit Titled Directly on the Video

Why SublyAI feels like 3 clicks: pre-made aspect-ratio templates, translation to 50+ languages, and an overlay editor that edits subtitles right inside the video.

Read more →
Privacy2026-08-215 min read

Privacy-First Video Translation: Only Audio Ever Leaves Your Device

Why SublyAI is private by default: your video never reaches the AI, only audio is sent over a signed URL, deleted right after processing, and rendering happens in your browser — fast and free.

Read more →
Guides2026-08-213 min read

Burn Your Own Subtitles for Free (No AI Minutes Used)

Already have subtitles? Upload your SRT or VTT and burn them into the video with SublyAI — completely free, no AI minutes deducted.

Read more →