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Data tools

Free, focused tools that work directly in your browser. No uploads, accounts, or watermarks.

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XML Formatter

Format, minify, and validate XML instantly in a private browser editor.

XML, text → XML, text
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XLSX to CSV

Convert any worksheet in an Excel file to CSV without sending it to a server.

XLSX → CSV
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JSON Diff

Compare two JSON documents and inspect added, removed, and changed values.

JSON, text → Diff report
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JSON Minifier

Validate and compact JSON without changing large numeric literals, string escapes, duplicate keys, or key order.

JSON, text → JSON
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XML to JSON

Convert XML to readable JSON with explicit attribute and repeated-element rules, entirely in your browser.

XML → JSON
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Line Counter

Count total, blank, and nonblank lines plus Unicode characters in pasted text or a local file.

UTF-8 text → Counts, JSON
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YAML to JSON

Convert YAML into formatted JSON with exact numeric values and clear validation errors.

YAML 1.2 → JSON
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JSON to CSV

Turn JSON records into CSV with selectable delimiters and spreadsheet-safe output.

JSON objects → CSV
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JSON to YAML

Create readable YAML from JSON while preserving scalar types and large numeric values.

JSON → YAML
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Markdown to HTML

Convert Markdown headings, tables, lists and code blocks into HTML with a safe preview.

Markdown → HTML
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JSON to XML

Convert JSON to XML using a chosen root element, repeated elements and explicit attributes.

JSON → XML
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CSV Viewer

Open CSV files as a navigable table without uploading them or executing spreadsheet formulas.

CSV / TSV → Table preview
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XLSX Viewer

Inspect worksheet values from an XLSX workbook and switch between sheets locally.

XLSX → Worksheet values
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CSV to XLSX

Create an XLSX workbook from CSV while preserving text, leading zeros and long identifiers.

CSV / TSV → XLSX
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Case Converter

Change text to uppercase, lowercase, title case or sentence case with locale-aware casing.

Text → Text
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EPUB to PDF

Render an unencrypted EPUB in reading order and export its text and images into PDF pages.

Unencrypted EPUB → Image-based PDF
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PPTX Viewer

View PPTX slides with text, images, shapes, tables and common charts directly in your browser.

PPTX → Static slide preview
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