Free Β· In your browser Β· Private

Open your Gmail archive.
Right in your browser.

MBOX Browser reads .mbox files from Google Takeout and other mail apps. Browse labels, search and open attachments, even in archives of many gigabytes. Your mail never leaves your computer.

No sign-up. No install. Windows, macOS and Linux.

01 / How it works

Three steps. No setup.

  1. 01

    Export your mail

    Download your Gmail from Google Takeout, or take an .mbox file from Thunderbird, Apple Mail or Google Vault.

  2. 02

    Drop the file in

    Open MBOX Browser and drag the file into the window. Big archives are read piece by piece, so even 20 GB is fine.

  3. 03

    Read and search

    Browse by label and year, search by sender or subject, open attachments and save single emails.

02 / Privacy

Your mail stays on your computer

Most online converters want you to upload your whole mailbox. MBOX Browser does the opposite: your browser opens the file directly on your device. No server ever receives your email, there is no account, and nothing tracks what you read.

03 / Features

Everything you need to find that one email

Any size

Archives of many gigabytes and hundreds of thousands of messages open in seconds to a few minutes.

Gmail labels

Inbox, Sent, Starred, categories and your own labels, plus a filter by year.

Faithful display

HTML emails, embedded images and every character set, including old encodings.

Attachments

Save any attachment. PDFs and images open with one click.

Save as .eml

Take any single email over to Outlook, Thunderbird or Apple Mail.

Four languages

English, Polish, German and Spanish, switchable at any time.

04 / Free and Pro

Free to read. Pro for real work.

The free version is all you need to look through an archive. Pro adds the tools for people who work with old mail: lawyers, accountants, admins and anyone moving on from an old account.

Free

$0

In your browser. Free forever, no sign-up.

Open the app

Pro

$29

One-time payment. No subscription. Free updates for all 1.x versions.

Get Pro for $29

Secure checkout by Gumroad. VAT included where applicable. 14-day money-back guarantee.

FeatureFreePro
Open .mbox and .eml files of any sizeβœ“βœ“
Labels, years and sortingβœ“βœ“
Search by sender, recipient and subjectβœ“βœ“
Read HTML emails, open and save attachmentsβœ“βœ“
Remote image blockingβœ“βœ“
Search inside the text of every message, with highlightsβ€”βœ“
Gmail-style search: from:, to:, has:attachment, after:, before:β€”βœ“
Conversation viewβ€”βœ“
Print or save as PDF, also hundreds at onceβ€”βœ“
Export to .eml (ZIP), .mbox or Excel (CSV)β€”βœ“
All attachments in one place, with bulk downloadβ€”βœ“
Big archives reopen instantlyβ€”βœ“
Runs offline, from a file on your diskβ€”βœ“

05 / FAQ

Questions

Is it really private?

Yes. MBOX Browser is a web page that runs entirely in your browser. Your .mbox file is read on your device and is never sent to us or anyone else. You can check it yourself: load the page, disconnect from the internet and open your archive.

Where do I get an .mbox file?

Gmail exports your mail as .mbox through Google Takeout. Our step-by-step guide shows how. Exports from Thunderbird, Apple Mail and Google Vault work too.

How big can the archive be?

There is no fixed limit. The file is read in pieces instead of all at once, so archives of tens of gigabytes work on an ordinary computer. Opening takes from a few seconds to a few minutes.

Which browsers and systems work?

Current versions of Chrome, Edge, Firefox and Safari on Windows, macOS and Linux. Phones are not a good fit for multi-gigabyte files.

Can it convert my mail to Outlook (PST)?

Not to PST. Pro exports emails as .eml files, which Outlook, Thunderbird and Apple Mail open, and as a new, smaller .mbox file.

What do I get when I buy Pro?

A download with MBOX Browser Pro: a single file you open with a double click. It runs in your browser, fully offline, on all of your own computers. All 1.x updates are free.

Can I get a refund?

Yes. If Pro isn’t right for you, write to us within 14 days of purchase and we will refund you in full.

Can my company use it?

Yes. One Pro license is for one person, for private or business use. For a team, buy one license per person, or write to us.

Ready to open your archive?

It takes a minute, and your mail never leaves your computer.