Want to bulk import HTML files into Redshift tables at one time?
Try Withdata software FileToDB, a HTML to Redshift converter for Redshift 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 Redshift locally and privately, avoid uploading HTML file(s) to online services.
- Support Windows, Linux, and macOS.
Bulk import HTML files into Redshift tables
Login to Redshift -> Choose HTML files -> Set Redshift tables -> Import HTML files to Redshift tables
Choose Redshift 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 Redshift tables to HTML files.
5. Summary. Set “Convert Rows” and “Skip Rows” if need.
6. Import HTML files to Redshift tables, 1 file to 1 table, one by one.
View imported data in Redshift table
More about HTML file to Redshift converter
Download Withdata FileToDB
See also:
- Import data from HTML file to Redshift
- Batch import data from multiple HTML files to a single Redshift table
HTML → Redshift reference
Type mapping
| Value kind | in HTML | in Redshift |
|---|---|---|
| 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 & <) | varchar(max) |
| Date | <td>2026-09-18</td> | date |
| Datetime | <td>2026-09-18 14:30:00</td> | timestamp |
| Binary | not representable in a cell | (none) |
| Boolean | <td>true</td> | boolean |
| JSON | <td>{"a":1}</td> (quotes escaped) | super |
Dialect differences
HTML is a file format and Redshift 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 Redshift |
|---|---|---|
| port | — | 5439 |
| identifiers | Attribute values in quotes; entities for reserved characters | "double quotes" |
| row limit | — | LIMIT n |
| dates | Whatever text was rendered | timestamp, date |
| long text | — | VARCHAR(MAX) |
| binary | data: URIs inside src attributes | — |
| 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 |
|---|---|
| Redshift | UNLOAD to S3 |
| Redshift (load) | COPY from S3 |
No counterpart
- HTML values of kind Binary have nowhere to go in Redshift.
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.
