Subtitle & Transcription Tools
Free browser-based tools for subtitle editing, format conversion, and transcription. All processing happens in your browser — your files never leave your device.
SRT Validator
Check SRT files for errors, missing sequences, and timing issues
SRTをTXTに変換
Strip timestamps and sequence numbers from SRT to plain text
VTT ↔ SRT 変換ツール
Convert between WebVTT and SubRip formats instantly
TXTからSRTへの変換ツール
Generate SRT subtitle files from plain text with auto-timing
字幕タイムシフト
Shift all subtitle timestamps forward or backward
SRTファイルを結合
Combine multiple SRT files into one with corrected timing
文字起こし計算ツール
Estimate transcription time, word count, and cost
SRT to Word 変換ツール
Convert SRT subtitle files to formatted Word/RTF documents
Need AI-Powered Transcription?
Upload audio, paste a YouTube link, or record directly — get a full AI transcript with speaker labels, timestamps, and summaries.
Free on iOS and Android. No account required.