How many audio files can I upload?

You can upload up to 20 audio files or one ZIP archive.

Which output formats are available?

The available formats are MP3, M4A with AAC, and WAV with PCM.

Can the tool create chapters automatically?

No. Chapter times and titles must be supplied in the metadata JSON.

Can I add podcast metadata?

Yes. You can provide show and episode metadata through JSON text or a JSON metadata file.

What does the downloaded result contain?

The result is a ZIP containing the processed audio files and a manifest.json file.

Elysia Tools

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Media

Batch Podcast Publisher Pack

Normalize a batch of podcast episodes, apply metadata and chapters, and package validated delivery files in one ZIP.

Details

What this tool helps you do

Upload up to 20 audio files or one ZIP archive. Each episode is decoded and normalized with FFmpeg, tagged with show metadata and optional chapters, checked for decodability, and placed in a ZIP with manifest.json. This tool does not transcribe audio or infer chapters; chapter times must be supplied as JSON.

Execution

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Prepared example runs

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1 examples

Package a two-episode podcast release

Normalize a local episode file, add show metadata, and receive a ZIP with the processed MP3 and manifest.

podcast-publisher-pack-*.zip

Inputs

Options are grouped so long tools stay easier to scan.

11 options

FilesUpload source files for this workflow.3

Audio Files or ZIP ArchivefileRequired

Per-file max size: 100 MB / Max files: 20Supported types: audio/*, application/zip, application/x-zip-compressed, application/octet-stream, .zip

Metadata JSON FilefileOptional

Single file max size: 5.0 MBSupported types: application/json, text/json, .json

Cover ArtworkfileOptional

Single file max size: 10 MBSupported types: image/jpeg, image/png, .jpg, .jpeg, .png

ContentPaste or type the main input values.1

Metadata JSONtextareaOptionalOptional defaults and per-file metadata. Chapter times are seconds.

SettingsAdjust formats, ranges, numbers, and modes.6

Platform TargetselectOptionalIntegrated Loudness (LUFS)numberOptionalTrue Peak Ceiling (dBTP)numberOptionalSample RateselectOptionalOutput FormatselectOptionalBitrate (kbps)numberOptional

TogglesEnable or disable optional behavior.1

Trim Leading/Trailing SilencecheckboxOptionalEnabled when checked

Result

Ready for a run

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Samples

Batch Podcast Publisher Pack

What this tool helps you do

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Prepared example runs

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Result

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Key facts

Overview

When to use

How it works

Use cases

Examples

1. Package a two-episode podcast release

2. Add supplied chapters to a batch release

FAQ

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