# Peasy Audio > Audio tools made easy. Peasy Audio provides free browser-based tools at https://peasyaudio.com/. All processing happens client-side — files never leave your device. ## Tools (15) - [BPM Calculator](https://peasyaudio.com/audio/audio-bpm/) — - [Frequency Calculator](https://peasyaudio.com/audio/audio-freq/) — - [Delay Time Calculator](https://peasyaudio.com/audio/audio-delay/) — - [dB Converter](https://peasyaudio.com/audio/audio-db/) — - [Audio File Size Calculator](https://peasyaudio.com/audio/audio-filesize/) — - [Note Frequency Chart](https://peasyaudio.com/audio/audio-note-chart/) — - [Decibel Reference Guide](https://peasyaudio.com/audio/audio-db-reference/) — - [Latency Calculator](https://peasyaudio.com/audio/audio-latency/) — - [Cents Calculator](https://peasyaudio.com/audio/audio-cents/) — - [Loudness Standards Guide](https://peasyaudio.com/audio/audio-loudness/) — - [EQ Frequency Reference](https://peasyaudio.com/audio/audio-eq-reference/) — Frequency band guide for mixing and mastering - [Sample Rate Converter](https://peasyaudio.com/audio/audio-sample-rate-converter/) — Compare sample rates and estimate file sizes - [Bit Depth Analyzer](https://peasyaudio.com/audio/audio-bit-depth-analyzer/) — Dynamic range and noise floor by bit depth - [Chord Reference](https://peasyaudio.com/audio/chord-reference/) — - [Key & Scale Reference](https://peasyaudio.com/audio/key-scale-reference/) — ## Guides (51) - [File Format Conversion: A Complete Guide](https://peasyaudio.com/guides/file-format-conversion-guide/) — Converting files between formats is a daily task for professionals across every industry. This comprehensive guide covers document, image, audio, … - [Audio Format Guide: MP3 vs AAC vs FLAC vs WAV](https://peasyaudio.com/guides/audio-format-comparison/) — Audio formats balance file size against sound quality. This comparison covers the most common formats and helps you choose the … - [Audio Format Comparison: MP3, AAC, FLAC, OGG, and WAV](https://peasyaudio.com/guides/audio-format-comparison-mp3-aac-flac/) — Choosing the right audio format involves trade-offs between file size, audio quality, compatibility, and intended use case. This comparison covers … - [Lossless vs Lossy Audio: When Quality Matters and When It Doesn't](https://peasyaudio.com/guides/lossless-vs-lossy-audio-guide/) — The lossless vs. lossy debate generates more heat than light. In controlled double-blind tests, most listeners cannot distinguish 256 kbps … - [Audio Bitrate and Quality: Finding the Right Balance](https://peasyaudio.com/guides/audio-bitrate-quality-guide/) — Bitrate determines both file size and audio quality in lossy formats. Understanding the relationship between bitrate, codec efficiency, and perceptual … - [Audio Format Guide: MP3, AAC, FLAC, WAV, and OGG Explained](https://peasyaudio.com/guides/audio-format-guide-mp3-aac-flac-wav-ogg/) — Understand the differences between lossy and lossless audio formats. Learn when to use each format for music, podcasts, sound effects, … - [How to Trim and Edit Audio Files in the Browser](https://peasyaudio.com/guides/trim-edit-audio-browser/) — Browser-based audio editing lets you trim silence, cut sections, and adjust audio without installing software. Learn how to use the … - [Best Practices for Podcast Audio Quality](https://peasyaudio.com/guides/podcast-audio-quality-best-practices/) — Clear, consistent audio is the foundation of a professional podcast. This guide covers recording levels, noise reduction, loudness normalization, and … - [How to Convert Between Audio Formats](https://peasyaudio.com/guides/convert-between-audio-formats/) — Converting audio files between formats is common when preparing music for different devices, uploading to platforms, or archiving recordings. Learn … - [Troubleshooting Audio Playback Issues](https://peasyaudio.com/guides/troubleshooting-audio-playback/) — Audio files that refuse to play, produce distorted sound, or have sync issues are common frustrations. This guide helps you … - [Audio Loudness Standards: LUFS, dBFS, and Normalization](https://peasyaudio.com/guides/audio-loudness-standards/) — Different platforms have different loudness requirements. Understanding LUFS, dBFS, and normalization ensures your audio plays at the right volume on … - [Container Formats Explained: MP4, MKV, WebM, and MOV](https://peasyaudio.com/guides/video-container-formats-explained/) — Container formats wrap video, audio, and metadata into a single file. Understanding the difference between MP4, MKV, WebM, and MOV … - [How to Extract Audio From Video Files](https://peasyaudio.com/guides/how-to-extract-audio-from-video/) — Extracting audio tracks from video files is useful for creating podcasts from interviews, music from concerts, and audio-only versions of … - [How to Normalize Audio Levels Across Multiple Files](https://peasyaudio.com/guides/how-to-normalize-audio-levels/) — Inconsistent volume levels between audio files is distracting. Learn how to normalize audio to a consistent loudness standard. - [How to Remove Background Noise From Audio](https://peasyaudio.com/guides/how-to-remove-background-noise/) — Background noise from fans, traffic, and hum can ruin recordings. Learn noise reduction techniques that clean audio without degrading quality. - [WAV vs FLAC vs ALAC: Lossless Audio Format Comparison](https://peasyaudio.com/guides/wav-vs-flac-vs-alac-comparison/) — Lossless audio preserves full quality but formats differ in compression, metadata support, and compatibility. Compare WAV, FLAC, and ALAC. - [Troubleshooting Audio Sync Issues in Video](https://peasyaudio.com/guides/troubleshooting-audio-sync-video/) — Audio-video synchronization problems make content unwatchable. Learn how to diagnose and fix audio drift, delay, and sync offset issues. - [Audio for Podcasting: Recording and Production Best Practices](https://peasyaudio.com/guides/audio-podcasting-best-practices/) — Professional podcast audio doesn't require expensive equipment. Learn recording techniques, editing workflow, and export settings for podcasts. - [How to Record High-Quality Audio in Noisy Environments](https://peasyaudio.com/guides/how-to-record-audio-noisy-environments/) — Capture clean audio recordings in challenging acoustic environments using noise reduction techniques and mic placement. - [Audio Bitrate and Quality Settings Guide](https://peasyaudio.com/guides/audio-bitrate-quality-settings-guide/) — Choose the right audio bitrate and encoding settings for music, podcasts, voice, and streaming applications. - [Audio Mastering for Podcast Distribution](https://peasyaudio.com/guides/audio-mastering-podcast-distribution/) — Podcast audio needs to meet platform loudness standards and sound consistent across episodes. Learn the mastering chain for professional podcast … - [How to Concatenate and Merge Audio Files](https://peasyaudio.com/guides/how-to-concatenate-merge-audio-files/) — Join multiple audio files into one with proper crossfading, level matching, and format handling. - [Troubleshooting Video Export and Rendering Errors](https://peasyaudio.com/guides/troubleshooting-video-export-rendering-errors/) — Fix common video export failures including codec errors, audio sync issues, and rendering crashes. - [How to Remove Echo and Reverb from Audio Recordings](https://peasyaudio.com/guides/how-to-remove-echo-reverb-audio/) — Recording in reflective rooms produces distracting echo and reverb. Learn the techniques and tools for reducing room acoustics in post-production. - [Digital Audio Workstation vs Online Audio Tools](https://peasyaudio.com/guides/daw-vs-online-audio-tools-comparison/) — Compare full DAWs with browser-based audio tools for different editing needs from simple trims to complex production. - [Audio File Formats for Music Production](https://peasyaudio.com/guides/audio-formats-music-production/) — Music production requires understanding the strengths and tradeoffs of different audio formats at each stage of the workflow — recording, … - [Audio Equalization Fundamentals for Content Creators](https://peasyaudio.com/guides/audio-equalization-fundamentals-content-creators/) — Master EQ techniques to improve voice clarity, remove muddiness, and achieve professional podcast audio. - [Audio Compression vs Limiting: When to Use Each](https://peasyaudio.com/guides/audio-compression-vs-limiting-comparison/) — Compare dynamic range compression and limiting for different audio production scenarios. - [Video Accessibility: Audio Descriptions and Transcripts](https://peasyaudio.com/guides/video-accessibility-audio-descriptions/) — Making video content accessible requires more than captions. Learn about audio descriptions for blind viewers, transcripts, and accessible player controls. - [Removing Background Noise from Audio Recordings](https://peasyaudio.com/guides/removing-background-noise-audio-recordings/) — Techniques for cleaning up audio by removing hum, hiss, and environmental noise effectively. - [Audio File Formats: Lossy vs Lossless Compared](https://peasyaudio.com/guides/audio-file-formats-lossy-lossless-compared/) — Compare MP3, AAC, FLAC, WAV, and OGG for quality, file size, and compatibility. - [Audio Loudness Standards for Streaming Platforms](https://peasyaudio.com/guides/audio-loudness-standards-streaming-platforms/) — Meet loudness requirements for Spotify, YouTube, Apple Music, and podcast platforms. - [How to Batch Process Multiple File Conversions](https://peasyaudio.com/guides/how-to-batch-process-file-conversions/) — Converting files one at a time is tedious and error-prone. Learn strategies for batch converting documents, images, audio, and video … - [Comparing Audio Compression: Lossy vs Lossless Formats](https://peasyaudio.com/guides/comparing-audio-compression-lossy-vs-lossless/) — Choosing between lossy and lossless audio formats involves trade-offs between file size, sound quality, and compatibility. This comparison breaks down … - [Audio Noise Reduction: Techniques for Clean Recordings](https://peasyaudio.com/guides/audio-noise-reduction-techniques/) — Background noise in audio recordings — hum, hiss, traffic, and room ambience — degrades listener experience and professionalism. Modern noise … - [Audio Normalization and Loudness Standards (LUFS Explained)](https://peasyaudio.com/guides/audio-normalization-lufs-guide/) — Different audio files at different volumes force listeners to constantly adjust their volume control. Loudness normalization to industry standards (LUFS) … - [Audio Format Conversion: Avoiding Quality Loss and Common Pitfalls](https://peasyaudio.com/guides/audio-format-conversion-best-practices/) — Converting between audio formats seems straightforward but introduces quality loss if done incorrectly. Understanding transcoding chains, generational loss, and format … - [Recording Studio-Quality Audio at Home: Equipment and Technique](https://peasyaudio.com/guides/recording-studio-quality-audio-home/) — Professional-sounding audio recordings no longer require a commercial studio. With the right microphone technique, acoustic treatment, and signal chain, home … - [Browser Fingerprinting: How Websites Track You Without Cookies](https://peasyaudio.com/guides/browser-fingerprinting-tracking-explained/) — Discover how browser fingerprinting works, what data points websites collect, and practical countermeasures to reduce your trackability. Covers canvas fingerprinting, … - [Audio Metadata and ID3 Tags: A Complete Reference](https://peasyaudio.com/guides/audio-metadata-id3-tags-guide/) — Audio metadata — embedded information about title, artist, album, artwork, and more — determines how music appears in players, libraries, … - [Audio Compression for Streaming: Optimizing for Bandwidth](https://peasyaudio.com/guides/audio-compression-streaming-optimization/) — Streaming audio over the internet requires balancing quality against bandwidth consumption and latency. Codec selection, bitrate adaptation, and buffering strategy … - [Spatial Audio and 3D Sound: Formats, Creation, and Playback](https://peasyaudio.com/guides/spatial-audio-3d-sound-guide/) — Spatial audio places sound in a three-dimensional space around the listener. From Dolby Atmos to binaural rendering, understanding the technology … - [Audio Restoration: Recovering Damaged and Degraded Recordings](https://peasyaudio.com/guides/audio-restoration-techniques-guide/) — Damaged recordings — vinyl crackle, tape hiss, clipping distortion, and environmental noise — can be significantly improved with modern restoration … - [Audio File Size Optimization: Reducing Size Without Losing Quality](https://peasyaudio.com/guides/audio-file-size-optimization/) — Large audio files strain bandwidth, storage, and loading times. Optimizing file size requires understanding which parameters affect size and which … - [Screen Recording Best Practices: Setup, Capture, and Export](https://peasyaudio.com/guides/screen-recording-best-practices/) — High-quality screen recordings require proper setup before hitting record. Resolution, frame rate, audio, and cursor visibility all affect the final … - [MIDI Basics: Understanding Digital Music Notation](https://peasyaudio.com/guides/midi-basics-digital-music-notation/) — MIDI is not audio — it is a set of instructions that tells instruments what notes to play. Understanding this … - [Audio Effects Chain: Correct Order for Mixing and Mastering](https://peasyaudio.com/guides/audio-effects-chain-order-guide/) — The order of audio effects in the signal chain dramatically affects the final result. Placing compression before EQ produces different … - [Trigonometry Basics for Developers and Designers](https://peasyaudio.com/guides/trigonometry-basics-for-developers/) — Trigonometric functions power animations, game physics, audio visualization, and SVG path generation. This guide covers sin, cos, and tan with … - [Audio Mastering Fundamentals: Preparing Mixes for Distribution](https://peasyaudio.com/guides/audio-mastering-fundamentals-guide/) — Mastering is the final creative step before audio is distributed — a process of subtle refinement that ensures a mix … - [Troubleshooting Audio Waveform Visualization Issues](https://peasyaudio.com/guides/troubleshooting-audio-waveform-visualization/) — Audio waveform visualization — displaying the amplitude of audio over time — is used in editors, players, and web applications. … - [Troubleshooting Video Playback: Codec Errors, Black Screens, and Audio Sync](https://peasyaudio.com/guides/troubleshooting-video-playback-issues/) — Video playback problems — black screens, no audio, stuttering, or sync issues — usually stem from codec incompatibilities or corrupted … ## Glossary (44 terms) - [Aliasing (Audio)](https://peasyaudio.com/glossary/aliasing-audio/) — Distortion occurring when audio frequencies above the Nyquist limit are sampled, producing false lower frequencies. - [Audio Codec](https://peasyaudio.com/glossary/audio-codec/) — Software that encodes raw audio into a compressed format and decodes it back for playback … - [Audio Fingerprint](https://peasyaudio.com/glossary/audio-fingerprint/) — A compact digital summary of an audio signal used to identify songs or detect duplicate … - [Audio Watermark](https://peasyaudio.com/glossary/audio-watermark/) — Embedding imperceptible identifying data into an audio signal for copyright tracking and content identification. - [Bit Depth (Audio)](https://peasyaudio.com/glossary/bit-depth-audio/) — The number of bits in each audio sample, determining the dynamic range and noise floor … - [Bitrate](https://peasyaudio.com/glossary/bitrate/) — The amount of audio data processed per second, measured in kbps, directly affecting quality and … - [Channel](https://peasyaudio.com/glossary/channel/) — An independent audio signal in a recording (mono = 1, stereo = 2, surround = … - [Chorus Effect](https://peasyaudio.com/glossary/chorus-effect/) — An effect that duplicates a signal with slight pitch and timing variations to simulate multiple … - [Clipping](https://peasyaudio.com/glossary/clipping/) — Distortion that occurs when an audio signal exceeds the maximum level a system can handle. - [Codec](https://peasyaudio.com/glossary/codec/) — Software that encodes and decodes audio or video data, determining the compression algorithm used. - [Compression (Audio)](https://peasyaudio.com/glossary/compression-audio/) — Reducing the volume difference between the loudest and quietest parts of an audio signal. - [Crossfade](https://peasyaudio.com/glossary/crossfade/) — A smooth transition between two audio clips where one fades out while the other fades … - [De-esser](https://peasyaudio.com/glossary/de-esser/) — A specialized compressor targeting sibilant frequencies (4-10 kHz) to reduce harsh 's' and 'sh' sounds … - [Delay](https://peasyaudio.com/glossary/delay/) — An effect that records and plays back audio after a set time interval, creating echo … - [Dithering (Audio)](https://peasyaudio.com/glossary/dithering-audio/) — Adding low-level random noise when reducing bit depth to mask quantization distortion and preserve detail. - [Dynamic Range](https://peasyaudio.com/glossary/dynamic-range/) — The difference between the quietest and loudest parts of an audio signal, measured in decibels. - [Equalization](https://peasyaudio.com/glossary/equalization/) — The process of adjusting the balance of frequency components in an audio signal. - [Fade](https://peasyaudio.com/glossary/fade/) — A gradual increase (fade in) or decrease (fade out) in audio volume over time. - [FLAC](https://peasyaudio.com/glossary/flac/) — An open-source audio codec that compresses audio without any loss in quality, reducing file sizes … - [Frequency Spectrum](https://peasyaudio.com/glossary/frequency-spectrum/) — The range of frequencies present in an audio signal, typically from 20 Hz (bass) to … - [Harmonic Distortion](https://peasyaudio.com/glossary/harmonic-distortion/) — The presence of frequencies that are integer multiples of the fundamental, sometimes added intentionally for … - [Limiter](https://peasyaudio.com/glossary/limiter/) — A compressor with a very high ratio that prevents audio from exceeding a set maximum … - [Loudness War](https://peasyaudio.com/glossary/loudness-war/) — The trend of increasing audio loudness in mastering at the expense of dynamic range, countered … - [LUFS](https://peasyaudio.com/glossary/lufs/) — A standardized loudness measurement reflecting perceived volume, used for broadcast and streaming normalization targets. - [Mid-Side Processing](https://peasyaudio.com/glossary/mid-side-processing/) — A technique separating stereo audio into center (mid) and sides signals for independent processing. - [Mono](https://peasyaudio.com/glossary/mono/) — Audio reproduced through a single channel, where all sound comes from one source. - [Noise Gate](https://peasyaudio.com/glossary/noise-gate/) — A processor that silences audio below a threshold level, eliminating background noise between sounds. - [Noise Reduction](https://peasyaudio.com/glossary/noise-reduction/) — Techniques for removing unwanted background noise from audio recordings. - [Normalization](https://peasyaudio.com/glossary/normalization/) — The process of adjusting audio volume to a target level without changing the dynamic range. - [Nyquist Frequency](https://peasyaudio.com/glossary/nyquist-frequency/) — Half the sample rate, representing the highest frequency that can be accurately captured in digital … - [PCM](https://peasyaudio.com/glossary/pcm/) — The standard method of digitally representing analog audio signals by sampling amplitude at regular intervals. - [Peak Level](https://peasyaudio.com/glossary/peak-level/) — The highest instantaneous amplitude in an audio signal, used to prevent clipping and set headroom. - [Pitch](https://peasyaudio.com/glossary/pitch/) — The perceived frequency of a sound, determining how high or low a tone sounds to … - [Psychoacoustics](https://peasyaudio.com/glossary/psychoacoustics/) — The study of how humans perceive sound, informing audio compression, spatial audio, and loudness standards. - [Reverb](https://peasyaudio.com/glossary/reverb/) — The persistence of sound in a space after the original sound stops, simulated digitally for … - [RMS Level](https://peasyaudio.com/glossary/rms-level/) — An average audio level measurement that better represents perceived loudness than peak level readings. - [Sample Rate](https://peasyaudio.com/glossary/sample-rate/) — The number of audio samples captured per second, measured in Hz (e.g. 44,100 Hz for … - [Sidechain](https://peasyaudio.com/glossary/sidechain/) — Using one audio signal to control the processing of another, commonly used to duck music … - [Spatial Audio](https://peasyaudio.com/glossary/spatial-audio/) — 3D sound technology that positions audio sources in virtual space around the listener using HRTF … - [Spectrogram](https://peasyaudio.com/glossary/spectrogram/) — A visual representation of audio frequencies over time, showing the spectrum of a signal. - [Stereo](https://peasyaudio.com/glossary/stereo/) — Audio using two independent channels (left and right) to create a sense of spatial width. - [Stereo Imaging](https://peasyaudio.com/glossary/stereo-imaging/) — Techniques for widening, narrowing, or repositioning the perceived stereo field of an audio mix. - [Tempo](https://peasyaudio.com/glossary/tempo/) — The speed or pace of an audio track, measured in beats per minute (BPM). - [Waveform](https://peasyaudio.com/glossary/waveform/) — A visual representation of an audio signal showing amplitude over time. ## API Base URL: https://peasyaudio.com/api/v1/ | Endpoint | Description | |----------|-------------| | GET /api/v1/tools/ | List all tools (filterable by category) | | GET /api/v1/tools/{slug}/ | Tool detail with description, steps, FAQ | | GET /api/v1/categories/ | Tool categories | | GET /api/v1/formats/ | File formats reference | | GET /api/v1/conversions/ | Format conversion guides | | GET /api/v1/glossary/ | Terminology definitions | | GET /api/v1/glossary/{slug}/ | Term with simple + technical explanations, code examples, references | | GET /api/v1/guides/ | Educational guides (filterable by category, audience_level) | | GET /api/v1/guides/{slug}/ | Full guide with content, takeaways, ToC, related guides | | GET /api/v1/use-cases/ | Real-world use cases | | GET /api/v1/search/?q={query} | Cross-model search | | GET /api/v1/sites/ | All 16 Peasy sites | OpenAPI spec: https://peasyaudio.com/api/openapi.json Swagger UI: https://peasyaudio.com/api/docs/ ## Content Negotiation All pages support Markdown output for AI agents: - Add `?format=md` to any page URL - Or send `Accept: text/markdown` header ## Platform Stats - 251 tools across 16 sites - 131 file formats documented - 1484 format conversion guides - 695 glossary terms - 645 educational guides - 302 real-world use cases Full catalog: https://peasyaudio.com/llms-full.txt