Want to batch export MySQL TEXT (CLOB) to JSON files ?
Try Withdata DBBlobEditor, a MySQL TEXT (CLOB) editor, Bulk export MySQL TEXT (CLOB) to JSON files, East and Fast.
- Can run in GUI mode, just a few mouse clicks.
- Can run in Command line, for Scheduled Tasks and Streams.
- Support Windows, Linux, and macOS.
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Batch extract JSON files from MySQL TEXT (CLOB) column
Run DBBlobEditor, login to MySQL.
Click “Start New Task – Export LOB To Files” at task dialog.
then show the wizard.
1. Configure export settings.
2. Bulk export MySQL TEXT (CLOB) to JSON files.
then you can see exporting results
More about MySQL TEXT (CLOB) exporter
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MySQL → JSON reference
Type mapping
| Value kind | in MySQL | in JSON |
|---|---|---|
| Int | INT | 1234 (number) |
| Bigint | BIGINT | 9007199254740993 |
| Decimal | DECIMAL(p,s) | 1234.56 (number) |
| Float | DOUBLE | 1.234e10 (number) |
| Text | VARCHAR(n) | "text" (string) |
| Long text | LONGTEXT | "multi-line\ntext" (escaped newline inside a string) |
| Date | DATE | "2026-09-18" (string) |
| Datetime | DATETIME | "2026-09-18T14:30:00Z" (string) |
| Binary | LONGBLOB | "base64:..." (string) |
| Boolean | TINYINT(1) | true / false (boolean) |
| JSON | JSON | nested object or array, kept as structure |
Dialect differences
MySQL is a database server and JSON 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 MySQL | in JSON |
|---|---|---|
| port | 3306 | — |
| identifiers | `backtick` | Double quotes; backslash escapes |
| row limit | LIMIT n | — |
| dates | DATETIME, TIMESTAMP, DATE, TIME | No date type: dates arrive as strings and the reader must p... |
| long text | TINYTEXT / TEXT / MEDIUMTEXT / LONGTEXT | — |
| binary | BLOB / TINYBLOB / LONGBLOB | Not supported natively - base64 inside a string |
| separator | — | Braces and commas |
| encoding | — | UTF-8 by definition |
| typing | — | string, number, boolean, null, object, array - no date type |
| shape | Tables of rows and columns | Nested objects and arrays |
| ceiling | — | Whole document is usually parsed into memory |
Command line
| Side | Command |
|---|---|
| MySQL | mysqldump, or mysql -e "SELECT ..." > out.csv |
| MySQL (load) | mysqlimport, or LOAD DATA INFILE |
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