Convert MDB to HTML Online

1) Upload MDB file to convert

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Allowed file types: fasta, qif, ofx, iif, srt, ics, excel, ris, bib, ods, xls, xlsx, xlsm, csv, tsv, tab, xlsb, xltx, xlr, pxl, qpw, wb3, wq1, dbf, wk3, 123, mdb, evtx, pages, numbers, sqlite

2) Set converting MDB to HTML options

3) Get converted file

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How to convert MDB to HTML?

💾 Upload Your File: Go to the site, click on «Upload File,» and select your MDB file.

✍️ Set Conversion Options: Choose HTML as the output format and adjust any additional options if needed.

Convert and Download: Click 👉«Download Converted File»👈 to get your HTML file.

Cloud Based

Convert MDB to HTML without any specialised software. Upload the file in your browser and download the HTML in seconds, on any device.

Secure

Data files can hold records and structured fields. Your MDB upload is encrypted in transit with HTTPS/TLS and processed in access-controlled data centers during the conversion to HTML.

Ease of Use

Converting from MDB to HTML has never been so simple. Our intuitive interface lets you convert files in just a few clicks.

Privacy

The records in your MDB are never inspected or reused. After the conversion to HTML, both files are deleted automatically from our servers. Privacy Policy.

MDB File

File extension	.MDB
Category	File
Description	MDB is a database file created in Microsoft Access. It contains tables, queries, forms, macros, and can be used as a standalone application or with other databases.
Associated programs	Microsoft Access, LibreOffice Base, MDB Viewer Plus
Developed by	Microsoft
MIME type	application/x-msaccess
Useful links	More detailed information on MDB files
Conversion type	MDB to HTML

HTML File

File extension	.HTML
Category	Document File
Description	HTML allows creating structured documents and web pages. HTML file contains command tags in angular brackets that mark out each element like title, paragraphs, quotes, links, lists, etc. Web-pages generated with HTML have .html extension (for a static web-page). HTML code is processed by a browser, while user sees only the text and other elements of the page without any tags. The source code can be viewed separately. HTML files can be edited in a common text editor like a TXT file.
Associated programs	Any Web Browser (e.g. Internet Explorer, Safari, Firefox, Google Chrome)
Developed by	World Wide Web Consortium & WHATWG
MIME type	text/html
Useful links	More detailed information on HTML files

2026-02-16

Published an Access MDB table as an HTML page for a team intranet — no Access installation needed on the web server. The table was well-structured and styled.

Lars Eriksson

2026-04-01

Converted an MDB contacts database to HTML so non-technical staff could view it in a browser. Quick upload, clean output, no fuss.

Nadia Okonkwo

2026-05-15

Great solution for sharing Access data with people who don't have Office installed. The HTML output rendered perfectly across different browsers.

Sebastián Rojas

Rating MDB to HTML

4.7 (156 votes)Rate It

MDB to HTML Converter — Frequently Asked Questions ▼

What is an MDB file and when was it commonly used?

MDB is the Microsoft Access database format (Jet/DAO engine). It was the standard for desktop database applications throughout the 1990s and 2000s — used in inventory systems, contact managers, CRM tools, and countless custom departmental apps. Access 97 through 2003 used the .mdb extension; Access 2007 onwards switched to .accdb. Many organizations still maintain MDB files as read-only archives of legacy operational data that they need to publish or distribute without providing live database access.

What does the HTML output look like?

Each exported table or query result becomes a separate HTML table with a header row showing column names. Numbers are right-aligned, dates use consistent formatting, and Boolean (Yes/No) fields are rendered as 'Yes'/'No' text. Long Text (Memo) fields are displayed in their full cell with preserved line breaks. If multiple tables are exported, each appears as a labeled section on the page with a navigation anchor. The page uses sticky headers and zebra-row styling for legibility.

Does the HTML output include relationships between tables?

No. HTML is a flat document format — relational links between Access tables are not rendered automatically. If you need to show related data (for example, orders with their customer names and line items), create an Access query that joins the relevant tables with the relationships you want, then export that query's result. The converter turns whatever table or query result you select into flat HTML rows.

Can a password-protected MDB file be converted?

No. Password-protected MDB files cannot be opened without the correct database password. Remove the password in Access first (Database Tools → Unencrypt Database), then re-upload the unprotected MDB. If you only have the MDB file and not the Access password, there is no way to convert it.

What is the maximum MDB file size the online converter accepts?

The online converter accepts MDB files up to 50 MB. Most legacy operational MDB databases containing table data are well under this size. If your MDB is large due to embedded binary attachments in OLE Object fields, export only the tables with text and numeric data from Access first, omitting the binary columns. This produces a smaller, cleaner MDB for conversion.

Can I automate publishing MDB tables as HTML pages for an intranet?

The online tool converts one file at a time. For recurring scheduled exports — for example, refreshing a weekly intranet report from an Access database — CoolUtils desktop tools support command-line batch operation. Run the converter on a schedule with Windows Task Scheduler, specifying the MDB path, output HTML path, and table/query name. The output HTML can be written directly to a web-accessible folder for immediate publication.

MDB to HTML: Publish Microsoft Access Data to the Web

Need to share data from a Microsoft Access database without sending the database itself? This online MDB-to-HTML converter turns .mdb (Access/Jet) files into clean, browser-friendly HTML tables you can open anywhere or drop into your CMS—in seconds, with no installs or signup. Upload your MDB, choose HTML, and download a self-contained page ready for email, intranet, or documentation.

What Is an MDB File?

.mdb is the classic Microsoft Access database format (Jet/DAO) used by Access 97–2003 and many legacy apps. It can store tables, queries, indexes, and relationships, plus data types like numbers, text, dates/times, currency, Yes/No, and memo (long text). Modern Access uses .accdb; many systems still archive data as MDB.

What You Get

Readable tables: Each selected table/query is rendered as a tidy HTML table with a clear header row.
Type-aware output: Numbers right-aligned, dates consistently formatted, booleans labeled clearly.
Multi-table support: Optionally export multiple tables as separate sections on a single page.
Print-friendly styles: Sticky headers, zebra striping, and page styles for clean printing to PDF from the browser.
Unicode: UTF-8 output so multilingual text displays correctly when fonts are available.

Before You Convert (Best Practices)

Choose the right source: For joined data, export the relevant query in Access rather than raw tables.
Clean columns: Hide technical IDs, reorder columns, and use meaningful captions for a reader-friendly report.
Normalize formats: Standardize date/time and currency settings in Access so the HTML looks consistent.
Memo fields: Keep long text in Memo/Long Text; line breaks will be preserved in the HTML.
Encoding: If text looks garbled, ensure the source uses a consistent code page; UTF-8 is safest.

Formatting Tips in the Output

Wide tables: Consider landscape printing or split very wide datasets into logical sections.
Emphasis: Bold headers, thin gridlines, and right-aligned numbers improve legibility without clutter.
Links & emails: If your data holds URLs or emails, they can appear as clickable links in the HTML.

Troubleshooting

“File not recognized”: Verify it’s a genuine .mdb (not .accdb or a renamed file).
Password-protected MDB: Remove protection in Access or export the needed tables/queries first.
OLE/Object fields: Embedded binaries aren’t rendered; export paths or thumbnails from Access instead.
Relationship errors: Build an Access query that joins tables as desired, then convert that query’s result.
Huge output: Filter rows by date/category or export one table at a time for faster rendering.

Notes & Limitations

Static snapshot: HTML is read-only; it won’t preserve forms, reports, macros, or relationships.
Calculated fields: Export the evaluated results (via queries) if you need computed values in the page.
ACCDB support: This tool targets MDB. For .accdb, use the matching converter or save as MDB/CSV first.

Privacy & Workflow

Conversion runs in your browser session and produces a downloadable HTML file in moments. For recurring exports—batch processing, watched folders, command-line automation, watermarks, or PDF/PDF-A archiving—explore CoolUtils desktop tools. From legacy Access data to a clean, shareable web report, this converter makes publishing your tables fast and hassle-free.

Feature	Online Converters	CoolUtils Desktop	Excel Built-in	Other Software
Batch Conversion	Limited	✅ Unlimited	Manual only	Limited
File Size Limit	1-5MB	✅ No limits	System dependent	Varies
Privacy & Security	Upload required	✅ 100% offline	✅ Local only	Varies
Conversion Speed	Internet dependent	✅ Fast local processing	Slow	Medium
Advanced Options	Basic	✅ Full customization	Limited	Basic
Cost	Free/Premium	One-time purchase	Requires Office	Subscription
Formatting Preservation	Good	✅ Excellent	Good	Varies
Multiple Formats Support	Limited	✅ 40+ formats	Few formats	Limited

Convert MDB to HTML Online

How to convert MDB to HTML?

MDB File

HTML File

MDB to HTML Converter — Frequently Asked Questions ▼

What is an MDB file and when was it commonly used?

What is an MDB file and when was it commonly used?

What does the HTML output look like?

What does the HTML output look like?

Does the HTML output include relationships between tables?

Does the HTML output include relationships between tables?

Can a password-protected MDB file be converted?

Can a password-protected MDB file be converted?

What is the maximum MDB file size the online converter accepts?

What is the maximum MDB file size the online converter accepts?

Can I automate publishing MDB tables as HTML pages for an intranet?

Can I automate publishing MDB tables as HTML pages for an intranet?

MDB to HTML: Publish Microsoft Access Data to the Web

What Is an MDB File?

What You Get

Before You Convert (Best Practices)

Formatting Tips in the Output

Troubleshooting

Notes & Limitations

Privacy & Workflow

Convert from MDB

Convert to HTML