Free Video & Subtitle Tools

SRT to VTT Converter

Convert SubRip (.srt) to WebVTT (.vtt) format instantly

VTT to SRT Converter

Convert WebVTT back to SubRip format for video editors

SBV to SRT Converter

Convert YouTube SBV caption files to standard SRT format

SRT to SBV Converter

Convert SRT subtitle files to YouTube's native SBV format

ASS / SSA to SRT Converter

Strip ASS/SSA styling tags and convert to plain SRT

TTML to SRT Converter

Convert TTML, DFXP, or EBU-TT subtitle files to SRT

HTML to SRT Converter

Convert HTML captions or transcript exports to SRT

Subtitle Time Shifter

Delay or advance all subtitle timestamps to fix sync issues

SRT File Merger

Combine two subtitle files sorted by timestamp

Netflix TTSC Checklist

Pre-delivery CPL, CPS, and overlap workflow before vendor handoff

Subtitle Validator

Check SRT/VTT files for overlaps, empty cues, and errors

Reading Speed Checker

Analyze CPS against Netflix, BBC, and EBU broadcast standards

Netflix-style CPL Checker

Check line lengths against Netflix-published TTSC (42 CPL), BBC (37), or a wide 80-char preset

Subtitle Word Counter

Count words, characters, and speaking stats in subtitle files

SRT to Plain Text

Extract clean text from subtitles, stripping timing and indices

Video Bitrate Calculator

Calculate ideal bitrate for target file size, or estimate size from bitrate

Aspect Ratio Calculator

Detect ratio from dimensions or calculate missing width/height

Timestamp Converter

Convert between seconds, HH:MM:SS, SRT, VTT, and SMPTE timecode

Video Script Timer

Estimate video length from script word count and speaking rate

Words Per Minute Calculator

Measure your speaking rate in WPM from text and recording duration

Video Metadata Viewer

Check video duration, resolution, aspect ratio, and file size locally