Media
Detect breaths in speech and naturally crossfade to reduce, remove, or keep them.
audio-breath-control-editorMedia
Combine a timestamped transcript with the audio to mark filler words (um, uh, 嗯, 那个…) and optionally mute or remove them.
audio-filler-word-removal-mapFinance
Calculate the true Annual Percentage Rate (APR) of a loan when upfront fees are involved. The nominal interest rate sets the monthly payment, but fees reduce the net cash received, raising the effective APR. Uses Newton's method to solve the annuity present-value equation. Shows APR, nominal rate, monthly payment, and the APR premium.
apr-calculatorMedia
Compare integrated LUFS, true peak, LRA, stereo/mono, bitrate and sample rate against Apple Podcasts, Spotify, YouTube, ACX and broadcast targets.
audio-podcast-loudness-compliance-reportMedia
Apply a configurable podcast mastering chain: high-pass, denoise, de-ess, compression, EQ tilt, LUFS normalization, and true-peak limiting.
audio-podcast-mastering-chainMedia
Analyze voice issues and suggest a processing chain, with a before/after preview of the cleaned audio.
audio-voice-cleanup-assistantFinance
Calculate your car loan monthly payment factoring in vehicle price, down payment, trade-in value, sales tax, and registration fees. Shows amount financed, total interest, total cost, a descending balance curve, and a yearly amortization schedule.
auto-loan-calculatorFinance
Compare avalanche (highest APR first) vs snowball (lowest balance first) strategies for paying off multiple credit cards. Enter cards as 'name, balance, APR%, minPayment%' per line plus an extra monthly payment. Shows payoff time, total interest, savings vs minimum-only, and balance decline curves.
credit-card-payoffFinance
Calculate the compound annual growth rate (CAGR) from a beginning value, ending value and number of years; compare with the simple average growth rate and visualize the smooth growth curve. CAGR = (EV/BV)^(1/n) - 1.
compound-annual-growthMedia
Detect and remove DC offset from audio
audio-dc-offset-fixerMedia
Detect brief signal dropouts and silent gaps in audio
audio-dropout-detectorMedia
Audit an audio file and recommend repair tools
audio-repair-audit-report