{"$schema":"https://toolsly.tools/schemas/tool-manifest-v1.json","generated":"2026-05-20T20:47:38.066Z","discovery":{"catalog":"https://toolsly.tools/tools.json","llmsTxt":"https://toolsly.tools/llms.txt","sitemap":"https://toolsly.tools/sitemap.xml"},"relatedTools":[{"slug":"csv-to-xlsx","name":"CSV to XLSX","url":"https://toolsly.tools/csv-to-xlsx"},{"slug":"xlsx-to-json","name":"XLSX to JSON","url":"https://toolsly.tools/xlsx-to-json"},{"slug":"json-to-csv","name":"JSON to CSV","url":"https://toolsly.tools/json-to-csv"},{"slug":"yaml-to-csv","name":"YAML to CSV","url":"https://toolsly.tools/yaml-to-csv"},{"slug":"tsv-to-csv","name":"TSV to CSV","url":"https://toolsly.tools/tsv-to-csv"},{"slug":"csv-to-json","name":"CSV to JSON","url":"https://toolsly.tools/csv-to-json"},{"slug":"csv-to-yaml","name":"CSV to YAML","url":"https://toolsly.tools/csv-to-yaml"},{"slug":"csv-to-html","name":"CSV to HTML Table","url":"https://toolsly.tools/csv-to-html"}],"kind":"converter","slug":"xlsx-to-csv","name":"XLSX to CSV","description":"Convert an Excel spreadsheet (.xlsx / .xls) to a CSV file — free online, no upload.","longDescription":"Drop in a .xlsx or .xls workbook and download a CSV. By default the first worksheet is exported; specify a sheet name in the options to pick a different one. Formulas are evaluated to their cached values; dates are rendered as ISO-like strings. Output uses standard RFC 4180 quoting. Conversion runs entirely in your browser — your workbook never leaves your device.","category":"document","categoryName":"Document","keywords":["xlsx to csv","xlsx to csv online","xlsx to csv converter","xlsx to csv free","excel to csv","excel to csv online","excel to csv converter","convert xlsx to csv","convert excel to csv","xls to csv","xlsx converter","excel converter"],"url":"https://toolsly.tools/xlsx-to-csv","runsOn":"client","multiple":false,"batch":false,"input":{"type":"file","extensions":[".xlsx",".xls"],"mimeTypes":["application/vnd.openxmlformats-officedocument.spreadsheetml.sheet","application/vnd.ms-excel","application/octet-stream",""]},"output":{"type":"file","extension":".csv","mimeType":"text/csv"},"options":[{"type":"text","key":"sheet","label":"Sheet name","defaultValue":"","placeholder":"Leave empty for the first sheet","help":"Name of the worksheet to export. Leave empty to use the first sheet."}],"invocation":{"webUi":"https://toolsly.tools/xlsx-to-csv","api":null,"notes":"Currently runs client-side in the user's browser. Drop a file on the UI at `webUi` and download the converted result. A remote MCP/REST API is planned."}}