Free Resources
AudioTools
A collection of free, browser-based tools built for voiceover, audio production, and post workflows. Nothing uploads anywhere — everything runs locally.
Audio Normalizer
Bring single files or a whole batch to a consistent loudness — runs locally, nothing uploads.
BPM Converter
Tap tempo, convert BPM to milliseconds/Hz, stretch & pitch, or match video frame rates.
Script Timer
Estimate read time for a script before you record.
ACX Checker
Checks a file against Audible's ACX spec — RMS, peak, and noise floor — pass/fail before you submit.
Format Converter
Convert between WAV, MP3, FLAC, AIFF, M4A, and OGG right in your browser.
Silence Trimmer
Automatically trims dead air from the start and end of your files, batchable.
Sample Rate Reference
A quick reference for sample rates and bit depths, plus a file-size calculator.
Word Counter
Word, sentence, and syllable counts plus a plain-English reading-level estimate.