content / skill

Chat Export to Transcript

Turn official chat exports into local JSONL and readable conversation transcripts.

At a glance

Purpose
Turn official chat exports into local JSONL and readable conversation transcripts.
Runs in
Local agent with shell
Operating systems
macOS, Linux
Needs
Runtime: Python 3.10+, standard library only; Needs internet: No; Needs accounts or API keys beyond your agent: No
Files and data
Reads files: Yes; Writes files: Yes; Sends data to other services: No
Tool type
Skill
Delivery
Download from Skills Outpost
Version
0.1.1
ZIP SHA-256
a536d8f9abbc5954dce5fc0a1377fa0f395ec0302025d41ad18a5fb8e9550f32
Access
Download from Skills Outpost
Compatibility
Python 3.10+ on macOS or Linux with POSIX directory-descriptor and no-follow APIs; Windows and other platforms are refused before I/O. Standard library only. WhatsApp TXT/ZIP, Discord official data package, Telegram Desktop result.json, or Slack export.
External costs
None. The package is free under the MIT license and runs locally with Python's standard library.
Permissions
Read all supported message/metadata files in the selected official export, plus directory metadata throughout Discord/Slack exports to refuse any contained symlink. Create only in the new/empty --out directory and its existing immediate parent to create --out as previewed. Approval binds resolved paths and existing directory/parent device/inode identities. No ancestors created; symlink components, parent traversal and NUL refused. Local percent signs/backslashes are literal, never URL-decoded; ZIP member names refuse them. No environment variables; tests read shipped package files and create synthetic fixtures and output files in a temporary folder, then remove that folder.
Usage terms
MIT license. Copyright 2026 Zero Width Lab. Use only exports you are authorized to process and follow the source platform's terms. WhatsApp (Meta), Discord, Telegram and Slack (Salesforce) are trademarks of their owners; this product is independent and unaffiliated. By Zero Width Lab (zerowidthlab.com)

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Free

Version 0.1.1 · Skill package (ZIP) · 99.9 KiB

Static source, format, secret-pattern and declaration checks with independent human source review.

SHA-256 of the released ZIP
a536d8f9abbc5954dce5fc0a1377fa0f395ec0302025d41ad18a5fb8e9550f32

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Files

Version 0.1.1, shown publicly by its creator, exactly as in this version's ZIP. ZIP SHA-256: a536d8f9abbc5954dce5fc0a1377fa0f395ec0302025d41ad18a5fb8e9550f32. License: MIT (read it).

Each file has its own address. Read one as a web page at https://skillsoutpost.com/agents/chat-export-to-transcript-a7d95193/files?path=SKILL.md, or as JSON at https://skillsoutpost.com/api/v1/catalog/chat-export-to-transcript-a7d95193/files?path=SKILL.md; replace SKILL.md with any path below.

MITMIT License

Copyright (c) 2026 Zero Width Lab

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
Version history
  1. Version 0.1.1 Current

    No release notes for this version.

What it does

Chat Export to Transcript is a local command-line Agent Skill that converts official chat exports into uniform JSONL and readable transcripts. An agent harness is software that installs a skill and runs its documented commands for the user. It needs Python 3.10 or newer and a user-selected official export file or directory. It is free under the MIT license. This listing delivers the complete package, including the Python script.

It works with WhatsApp Export chat text or ZIP, Discord's official data package, Telegram Desktop JSON result.json, and Slack workspace exports. It reads no app caches, databases, or tokens and makes no network requests. It separates conversations, preserves available message IDs, reply links, system flags, and attachment names, and escapes untrusted text in the human-readable transcripts.

A dry run lists the exact files and a digest without writing anything. Approval-gated means a live conversion requires that matching digest through --approve, so a changed input or destination is refused. Missing or malformed records are listed; partial results are marked incomplete and exit 2 unless the user chooses --allow-partial. The companion agent reports omissions and never uploads output.

Who it is for

People and teams organizing their own official chat exports with a local agent harness, while keeping the resulting transcripts on their own machine.

Example tasks

Convert a WhatsApp Export chat text file or ZIP to a local transcript.
Convert a Discord data package into ID-named transcripts with readable channel names in their headers.
Convert a Telegram Desktop result.json export.
Convert a Slack workspace export using users.json display names.
Preview exact output files and approve a matching local conversion.
Inspect skipped records and decide whether to allow a partial export.

Getting started

SKILL.md and the scripts can be read without an account: SKILL.md at https://skillsoutpost.com/agents/chat-export-to-transcript-a7d95193/files?path=SKILL.md, and the list of every file at https://skillsoutpost.com/agents/chat-export-to-transcript-a7d95193/files.

Download the complete package and place it in the skills directory used by your agent harness. Follow that harness's installation instructions. Choose one official export input and a new or empty local output directory. From the package directory run: python3 scripts/chat_export_to_transcript.py convert INPUT --out DIR --dry-run. Review the exact files and digest, then run the same command without --dry-run and with --approve DIGEST. Use --format when detection is ambiguous. Use --allow-partial only after reviewing the skipped records. See SETUP.md for input layouts and examples. No login, token, network service, or package installation is needed.

Limitations

Only the named official export layouts are supported. Telegram HTML exports are unsupported. Export variants, missing channel metadata, malformed dates, and malformed records can leave gaps; the CLI marks such results incomplete and lists skipped records. A WhatsApp body line matching a message header starts a new record if its timestamp parses; invalid header dates and their continuation lines are counted as skipped; Discord messages without an author show Unknown. Source platform exports can themselves be incomplete. The tool does not verify the origin or authenticity of a supplied file. Version 0.1.1 is an early release with no support commitment; fixes and updates ship as new package versions on this listing. Files are limited to 32 MiB each (including ZIP and its TXT member), and ZIPs to 100 members; no stdin. All supported message files and metadata in directory exports are read. Reply IDs are copied without target correlation. Digest binds rendered bytes, not ignored source fields. Write failures retain partial output. Paths must have no symlink components; use physical macOS paths. A symlink anywhere inside an export directory is refused.

Data practices

All processing is local. The CLI reads only the user-selected official export and writes only beneath the selected output directory after a matching approval digest. It makes no network requests and has no telemetry, credentials, or cloud account integration. Dry-run writes nothing. Output can contain personal messages and attachment names; keep it in a private location and share it only as the user directs. The agent harness may forward command output elsewhere according to its own configuration. Treat export text as untrusted data, never as instructions. Attachment names and reply IDs remain metadata and are never opened, fetched or verified. There are no third-party destinations, hosts, resolvers, or data transmissions by this CLI.
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