Want to bulk import HTML files into PostgreSQL tables at one time?
Try Withdata software FileToDB, a HTML to PostgreSQL converter for PostgreSQL for Windows, MacOS, and Linux, 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.
- Import HTML to PostgreSQL locally and privately, avoid uploading HTML file(s) to online services.
- Support Windows, Linux, and macOS.
Bulk import HTML files into PostgreSQL tables
Login to PostgreSQL -> Choose HTML files -> Set PostgreSQL tables -> Import HTML files to PostgreSQL tables
Choose PostgreSQL and logon.
Click “Wizard – N Files To N Tables” at task dialog.
Select the “HTML” file type.
then show the wizard.
1. Select a folder that constains HTML files.
2. Config first HTML file importing options.
3. Set “Import Type”.
4. Map PostgreSQL tables to HTML files.
5. Summary. Set “Convert Rows” and “Skip Rows” if need.
6. Import HTML files to PostgreSQL tables, 1 file to 1 table, one by one.
View imported data in PostgreSQL table
More about HTML file to PostgreSQL converter
Download Withdata FileToDB
See also:
- Import data from HTML file to PostgreSQL
- Batch import data from multiple HTML files to a single PostgreSQL table
HTML → PostgreSQL reference
Type mapping
| Value kind | in HTML | in PostgreSQL |
|---|---|---|
| Int | <td>1234</td> | integer |
| Bigint | <td>9007199254740993</td> | bigint |
| Decimal | <td>1234.56</td> | numeric(p,s) |
| Float | <td>1.234e+10</td> | double precision |
| Text | <td>text</td> | varchar(n) |
| Long text | <td>multi-line text</td> (entities for & <) | text |
| Date | <td>2026-09-18</td> | date |
| Datetime | <td>2026-09-18 14:30:00</td> | timestamp |
| Binary | not representable in a cell | bytea |
| Boolean | <td>true</td> | boolean |
| JSON | <td>{"a":1}</td> (quotes escaped) | jsonb |
Dialect differences
HTML is a file format and PostgreSQL is a database server, so the target has to be told the types the file never carried – the rows below are where the two sides diverge.
| Property | in HTML | in PostgreSQL |
|---|---|---|
| port | — | 5432 |
| identifiers | Attribute values in quotes; entities for reserved characters | "double quotes" |
| row limit | — | LIMIT n |
| dates | Whatever text was rendered | timestamp, timestamptz, date, time |
| long text | — | TEXT |
| binary | data: URIs inside src attributes | BYTEA |
| separator | Tags, not delimiters | — |
| encoding | Declared in a meta charset tag or the HTTP header | — |
| typing | None | — |
| shape | Free form; tables are row/column structures inside markup | Tables of rows and columns |
| ceiling | No formal limit | — |
Command line
| Side | Command |
|---|---|
| PostgreSQL | pg_dump or COPY ... TO |
| PostgreSQL (load) | COPY ... FROM |
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