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EveryTools

Data conversion

Browser tools for everyday data conversion tasks, with local processing where possible.

Data conversion

CSV to JSONConvert CSV rows into JSON objects or arrays, with optional value typing.

JSON to CSVConvert JSON records into CSV or TSV with configurable headers and quoting.

CSV viewer and cleanerPreview CSV or TSV, trim selected columns, replace empty values, normalize explicit date formats and remove duplicate or empty rows locally.

CSV key diffCompare CSV snapshots by primary or composite keys, diagnose duplicate keys and export added, removed and changed records.

CSV join and mergeJoin two CSV tables by mapped or composite keys with left, inner or full joins, explicit duplicate handling, selected columns and local CSV or JSON downloads.

CSV pivot and unpivotReshape CSV locally with multiple row keys, one column key and count, sum, average, minimum or maximum, or turn selected columns into long-form raw strings.

CSV split and mergeSplit CSV by data-row count or exact column value, or append local files with strict, aligned or union headers. Download bounded CSV and ZIP results locally.

Local SQL workbenchImport local CSV or flat JSON tables, query them with SQLite SELECT and WITH, join and aggregate rows, and export bounded CSV results in your browser.

Parquet viewer and converterOpen a local Parquet file, inspect supported flat schemas and typed rows, and export an inclusive row range as protected CSV or schema-aware JSON.

SQLite file viewerOpen a local SQLite database read-only, inspect schema and indexes, and export bounded table-row ranges as typed CSV or JSON without uploading the file.

Excel workbook diffCompare two local XLSX workbooks by cell address or exact composite keys, separating values, types, formulas, cached results and workbook structure.

TSV converterConvert between CSV and TSV while handling quoted separators and line breaks.

JSON to ExcelCreate an XLSX worksheet from flat JSON records with typed cells.

Excel to JSONConvert a selected XLSX worksheet to JSON with configurable headers and dates.

JSON ↔ YAML converterConvert JSON to YAML or supported YAML structures back to JSON.

JSON ↔ XML converterConvert JSON to type-tagged XML and supported XML back to JSON.

JSON diff and JSON PatchCompare JSON values, inspect path differences and export a locally verified RFC 6902 JSON Patch without losing decimal precision.

JSON mergeRecursively merge JSON values with right-side precedence and selectable array handling.

JSON flattenerFlatten nested JSON into path-and-value entries using dot notation or JSON Pointer.

JSON tree viewerExplore JSON in an expandable tree with searchable paths, labels and values.

JSON searchFind matching JSON values and optional keys, returning their paths and contents.

CSV validator and data quality profilerValidate CSV or TSV structure and profile missing values, exact duplicates, likely types and optional numeric or date statistics locally.

JSON Lines converterConvert JSON Lines into a JSON array or split a JSON array into compact JSONL records.

CSV to Markdown tableConvert CSV or TSV rows into an escaped Markdown table with selectable alignment.

MessagePack / CBOR encoder and decoderEncode JSON or typed JSON, and inspect binary data locally without uploading it.

Fixed-width text to CSVSet character widths or end boundaries, inspect every cut, and export CSV locally. No uploads or stored inputs.

Product Feed validatorCheck required core fields, exact IDs, HTTP(S) URLs, ordinary-product prices and cross-field dates using one dated local profile for CSV and RSS 2.0 XML.