Media & Entertainment Tools
Free browser-based media utilities for subtitle conversion (SRT, VTT), time shifting, subtitle merging, video and audio bitrate calculation, frame rate conversion, media duration, aspect ratios, and media file metadata analysis. All tools run 100% in your browser with zero server uploads and instant processing.
GIF Frame Extractor & Splitter (PNG ZIP)
Split animated GIFs into individual high-resolution PNG frames and download as ZIP
Reverse GIF Maker & Boomerang Loop Studio
Play animated GIFs backwards or create viral Boomerang loops 100% in-browser
BPM to Milliseconds & Reverb Time Calculator
Synchronize delay times, reverb decay & pre-delay, and LFO Hz to song tempo with tap tempo and beat preview
Subtitle SRT & VTT Time Shifter Studio
Shift movie and video subtitles forwards or backwards with millisecond precision and convert between SRT and VTT
Video Bitrate & File Size Calculator
Calculate required video bitrate for Discord 8MB/25MB limits, Email, and Web streaming
Video FPS & Frame Time Calculator
Calculate exact frame render time, total frame count, and SMPTE timecodes
Online Screen Recorder (In-Browser)
Record full screen, application windows, or browser tabs with microphone audio directly to WebM
Webcam & Camera Diagnostic Tester
Test camera video resolution, frame rate (FPS), microphone audio levels, and capture HD snapshots
Audio Tone & Frequency Hearing Tester
Synthesize pure 20Hz–20,000Hz sine, square, sawtooth, and triangle audio tones with stereo panning
White, Pink & Brown Noise Sound Machine
Synthesize soothing ambient noise for deep sleep, work focus, meditation, and tinnitus relief
Digital Metronome & Tap BPM Tempo Finder
Accurate audio metronome with accent beats, time signatures, and interactive tap tempo finder
Audio BPM & Beat Tempo Detector
Detect the exact BPM tempo of MP3 and WAV songs directly in-browser using Web Audio analysis
Aspect Ratio & Screen Resolution Calculator
Calculate proportional dimensions, simplify aspect ratios, and simulate letterbox/pillarbox padding
Audio Pitch Shifter & Speed Changer
Shift audio pitch in semitones and adjust playback speed in real-time using Web Audio processing
Morse Code Audio Synthesizer & Player
Translate text to Morse code and synthesize authentic 800Hz dit and dah audio tones with optical beacon
Audio Volume Booster & Peak Normalizer
Boost quiet MP3 and WAV audio volume up to 400% with clipping limiter protection and peak normalization
Online Voice Changer & Audio FX Modulator
Modulate voice recordings in real-time with Web Audio Robot, Deep Bass, Radio, and Echo filters
Text to Speech (TTS) Natural Voice Reader
Listen to any text read aloud with natural system voices, speed controls, and pitch tuning
In-Browser Audio Reverser (Play Audio Backwards)
Reverse audio files and play sound tracks backwards with 1-click reversed WAV audio export
Online Guitar Tuner & Live Microphone Pitch Detector
Standard EADGBE acoustic and electric guitar tuner with live microphone pitch detection and reference tones
Binaural Beats & Brainwave Frequency Generator
Synthesize Delta, Theta, Alpha, and Beta brainwave binaural beats for deep sleep, meditation, and focus
Hearing Frequency Test (20 Hz – 20,000 Hz Ear Range)
Test your acoustic hearing frequency limit with pure sine wave sweeps and age-related hearing benchmarks
Universal Subtitle Converter (SRT, VTT)
Convert, clean, and validate subtitle files between SubRip (SRT) and WebVTT formats
SRT to VTT Subtitle Converter
Convert SubRip .srt subtitles to HTML5 WebVTT format for modern web video players
VTT to SRT Subtitle Converter
Convert WebVTT captions into universal SubRip .srt files for VLC, YouTube, and media players
Subtitle Time Shifter & Audio Sync
Resync out-of-sync subtitles by shifting timestamps forward or backward in milliseconds
Subtitle Merger & Bilingual Combiner
Concatenate split subtitle files or create bilingual dual-language subtitles
Audio Bitrate & File Size Calculator
Calculate uncompressed PCM audio bitrates and estimate MP3, AAC, and FLAC file sizes
Frame Rate Converter & SMPTE Timecode Calculator
Convert frame counts to SMPTE timecodes and calculate PAL/NTSC speedup drift
Media Duration & Playback Speed Calculator
Sum multi-track media segment durations and calculate playback speedup time savings
Client-Side Media File Inspector
Inspect video and audio metadata, codecs, dimensions, and playback duration in browser
Playlist & Video Chapter Utilities
Generate standard M3U/M3U8 playlists and YouTube description timestamp chapters
Audio & Speech to Text Converter
Transcribe audio recordings, voice dictation, and speech into text 100% in-browser
Video Subtitles Editor (SRT & VTT)
Create, timecode, and export synchronized video subtitle tracks in SRT and WebVTT formats
Podcast Transcriber & Summarizer
Transcribe podcast audio episodes and generate structured summaries and key takeaways
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