Convert XLSX to JSON online with our free tool. Enjoy quick and automated XLSX to JSON conversions, customizable mapping, and step-by-step guidance.
Map structured fields from Excel XLSX into a dependable JSON result for repeatable data workflows.
Conversion focus
Schema-aware handling helps keep columns and nested fields understandable.
Need Custom Conversion?Excel workbooks are read from a file only (no text paste).
Drop an .xlsx file here, or click to browse
Choose a worksheet after upload. Max 25 MB.
Pick which sheet to convert. Changing the sheet reloads column detection.
Map each VCF field to a normalized table column. Use Include to choose output lines; Check all / Uncheck all sit under the mapping table.
| # | VCF Field | Mapping | Include |
|---|---|---|---|
| Provide input above to load mapping options. | |||
Column names and types feed SQL generation (same rules as the CSV tool).
| # | Field Name | Data Type | Max Size | Key | Include | Trim | NULL empty |
|---|---|---|---|---|---|---|---|
| Provide input to load columns. | |||||||
Pick it when JSON is the contract your partner named—even if Excel XLSX was easier to edit. You get arrays/objects that match what HTTP APIs and test harnesses expect.
Web display and CMS embeds.
Load structured rows into a database.
Sheets, Git diffs, and warehouse CSV.
Legacy services and XSD pipelines.
Load the Excel XLSX workbook (file tab only) and pick the active sheet.
Confirm header row and that typed columns (dates, IDs) look right in the grid.
Use mapping or options on this page so each Excel XLSX field lands in the correct JSON shape.
Convert to JSON text for APIs, fixtures, or browser consumers.
Schema-heavy integrations instead of JSON.
Contact bundles for phones and mail instead of JSON.
Repo-native config and CI matrices instead of JSON.
Flat pipelines and spreadsheet handoffs instead of JSON.
Print-ready snapshots instead of JSON.
Overview, mapping, pitfalls, and FAQs from the same bundle as other ConversionTab converters—open the sections you need.
Excel XLSX is parsed as structured input for this page. Use complete rows, valid syntax, and consistent field names so the converter can preserve the important data when creating JSON.
JSON is generated from the parsed Excel XLSX data. Review the output before importing it into another system, especially when the destination expects strict columns, dates, or contact fields.
The Excel to JSON Converter helps you transform Excel into JSON effortlessly, designed for JSON files.
Perfect for modern APIs, this tool ensures secure, fast, and precise results for developer workflows.
To begin, upload your Excel file, choose JSON as the output format, and download your converted file instantly.
The output JSON data is available to copy directly or can be saved as a downloadable file by specifying a name.
Step 1: Upload Excel File
Begin by navigating to ConversionTab and accessing the Excel to JSON conversion feature. You can upload your Excel file using the 'Drop/Browse File' feature.
Step 2: Select Conversion Settings
Once the file is uploaded, you have the option to specify various conversion settings. One important setting is selecting the sheet from the Excel file you wish to convert. You can do this using the dropdown menu labeled 'Select Sheet' under the file uploader.
Step 3: Initiate Conversion
After configuring the conversion settings, click the 'Convert' button to start the conversion process.
Step 4: Access JSON Output
Once the conversion process is complete, the resulting JSON data will be displayed in a textarea. You have two options to access the JSON output:
1. How does the Excel to JSON conversion work on ConversionTab?
The Excel to JSON conversion feature on ConversionTab enables users to convert their Excel data into JSON format seamlessly. It parses the Excel data and organizes it into a structured JSON format.
2. What are the input options for Excel data?
Users can upload Excel files using the 'Drop/Browse File' feature. Additionally, they can specify various conversion settings such as selecting the sheet.
3. What is the dropdown menu labeled 'Select Sheet' under the file uploader?
The dropdown menu allows users to choose a specific sheet from the Excel file they've uploaded. This ensures that the JSON data generated corresponds to the selected sheet. In addition, there is a special option named 'All sheets' which, when selected, combines all the data from every sheet into one main object.
4. How do I get the JSON output?
Once the conversion settings are configured, users can initiate the conversion process by clicking the 'Convert' button. The resulting JSON data is displayed in a textarea, providing users with two options:
This flexibility ensures that users can choose the most suitable method for accessing their converted data.
5. Is there a limit on the size of the input Excel file?
Yes, there is a limit of 25 MB for the size of the input Excel file. Users are encouraged to optimize their data and consider potential file size constraints to ensure smooth processing.
6. How can users contact support for further assistance?
If users require additional help or have unanswered questions, they can reach out to the support team through the 'Contact Us' page. Assistance is readily available to address any concerns.
XML as authoring when APIs expect JSON payloads.
ICS as authoring when APIs expect JSON payloads.
SQL as authoring when APIs expect JSON payloads.
Spreadsheet-first path to the same shape.
Tree to grid for review.
Web table fragment.
Executable staging text.