Want to export data from multiple similar PostgreSQL tables to one HTML file?
Try Withdata DBToFile, a PostgreSQL to HTML converter for Windows, Linux, and macOS, Export PostgreSQL data to HTML, Easy and Fast.
- Can run in GUI mode, Step by Step, just a few mouse clicks.
- Can run in Command line, for Scheduled Tasks and Streams.
- Support Windows, Linux, and macOS.
Export multiple similar PostgreSQL tables to a single HTML table
Login to PostgreSQL -> Select PostgreSQL tables -> Set HTML file options -> Export PostgreSQL to HTML
Choose PostgreSQL and logon.
Click “Export Similar Tables” for “PostgreSQL to HTML”.
Select Html file type.
1. Select similar PostgreSQL tables.
2. Set HTML file options.
3. Set rows options.
4. Export multiple similar PostgreSQL tables to a single HTML table.
After exporting, you can view output HTML file.
More about PostgreSQL to HTML converter
Download Withdata DBToFile
See also:
- Export PostgreSQL table to HTML
- Export PostgreSQL query results to HTML
- Batch export PostgreSQL tables to HTML files
PostgreSQL → HTML reference
Type mapping
| Value kind | in PostgreSQL | in HTML |
|---|---|---|
| Int | integer | <td>1234</td> |
| Bigint | bigint | <td>9007199254740993</td> |
| Decimal | numeric(p,s) | <td>1234.56</td> |
| Float | double precision | <td>1.234e+10</td> |
| Text | varchar(n) | <td>text</td> |
| Long text | text | <td>multi-line text</td> (entities for & <) |
| Date | date | <td>2026-09-18</td> |
| Datetime | timestamp | <td>2026-09-18 14:30:00</td> |
| Binary | bytea | not representable in a cell |
| Boolean | boolean | <td>true</td> |
| JSON | jsonb | <td>{"a":1}</td> (quotes escaped) |
Dialect differences
PostgreSQL is a database server and HTML is a file format, so the gap is wider than a dialect difference – the rows below are where values and structure stop lining up.
| Property | in PostgreSQL | in HTML |
|---|---|---|
| port | 5432 | — |
| identifiers | "double quotes" | Attribute values in quotes; entities for reserved characters |
| row limit | LIMIT n | — |
| dates | timestamp, timestamptz, date, time | Whatever text was rendered |
| long text | TEXT | — |
| binary | BYTEA | data: URIs inside src attributes |
| separator | — | Tags, not delimiters |
| encoding | — | Declared in a meta charset tag or the HTTP header |
| typing | — | None |
| shape | Tables of rows and columns | Free form; tables are row/column structures inside markup |
| ceiling | — | No formal limit |
Command line
| Side | Command |
|---|---|
| PostgreSQL | pg_dump or COPY ... TO |
| PostgreSQL (load) | COPY ... FROM |
Convert your data online, free
Free in-browser converters for CSV, Excel, JSON, XML and SQL: Withdata Online Data Conversion. Large files, batch conversion or scheduling? See the offline desktop apps, or browse all data conversion tools.
