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Chat Transcript Formatter

Clean up a pasted chat log into a tidy transcript, Q&A pairs, JSON or CSV.

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Quick Tool Overview

The Chat Transcript Formatter turns messy chat logs into clean transcripts — removing timestamps, merging consecutive messages, rejoining broken lines and renaming speakers — and exports Markdown, plain text, Q&A pairs, JSON messages or CSV.

What it does
Cleans and reformats chat transcripts
You give it
A chat log with speaker names
You get back
A tidy transcript in the format you need
Best for
Support logs, interviews, FAQs and training data
AI Tools Free, unlimited use No sign-up Runs in your browser

About the Chat Transcript Formatter

Chat logs copied out of a support desk, Slack, WhatsApp, a meeting tool or an AI chat arrive messy: timestamps on every line, one thought split across five messages, sentences broken mid-line, and speaker names that need changing before the log can be shared or used.

Paste the log and it is read into turns by speaker, with continuation lines rejoined to the message they belong to. Timestamps are removed, consecutive messages from one person are merged, lines broken mid-sentence are rejoined, and speakers can be renamed or replaced with User and Assistant. Text copied straight from ChatGPT or Claude, with its You said and ChatGPT said lines, is recognised too.

Export a Markdown transcript with bold names, a plain transcript, question and answer pairs for an FAQ or a training set, a JSON messages array for an API or evaluation, or CSV for a spreadsheet. A summary shows how many turns and words each speaker contributed.

Key features of the Chat Transcript Formatter

Speaker-aware parsing

Continuation lines are rejoined to the message they belong to.

Timestamp removal

Bracketed and leading timestamps are stripped from every line.

Merge and rename

Join back-to-back messages and rename or anonymise speakers.

Five export formats

Markdown, plain transcript, Q&A pairs, JSON messages or CSV.

Speaker statistics

Turns, words and share of the conversation for each speaker.

How to use the Chat Transcript Formatter

  1. 1

    Paste the chat log

    Each message should start with a speaker name and a colon. Timestamps are fine.

  2. 2

    Choose the clean-up

    Remove timestamps, merge consecutive messages, rejoin broken lines and rename speakers.

  3. 3

    Pick an output format

    Markdown, plain transcript, Q&A pairs, JSON messages or CSV.

  4. 4

    Copy or download

    The file extension matches the format you chose.

Frequently asked questions

Any log where messages start with a name and a colon, with or without a timestamp in front, including exports from support tools, messaging apps and text copied from ChatGPT or Claude.

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