5 tools · Free · Runs in your browser

General

Editors for the formats everyone meets: spreadsheets, API payloads, configuration files, Markdown and PDF documents.

These are the files that pass through every desk and every system: a CSV export from one program for another, the JSON an API returned, an XML configuration, a README in Markdown, a PDF that has to be split before it is sent. Each has an editor here that opens it in the browser, shows its structure, and lets it be fixed and saved without installing anything.

The editors read files the way their formats define them, and they say what is wrong in plain words: a missing comma in JSON, an unclosed tag in XML, a row with one column too many in a CSV. Broken JSON and XML can be repaired in one click; tables can be sorted, de-duplicated and converted; Markdown can be written as source or edited on the page and exchanged with Word; PDF pages can be rearranged, split and merged.

What the General tools do

  • Text or structure

    Edit as source with highlighting, or as a grid, a tree, a form or a page — the same document either way.

  • Repair and convert

    Fix broken files, format or minify them, and convert between CSV, Excel, JSON, XML, YAML, Markdown, Word and HTML.

  • Nothing uploaded

    Files are opened and saved in your browser; even PDF and Word files never leave your computer.

The tools

Everyday formats — tables, API payloads, configuration, Markdown and PDF documents.

CSV Editor

Edit CSV and Excel sheets in a fast grid, then save in the format you need.

  • CSV and Excel (.xlsx) workbooks, one sheet per file
  • Find and replace, remove duplicates, transpose
  • Row form for wide tables
  • Save as CSV, Excel, JSON, Markdown or SQL

JSON Editor

Edit JSON as source or as a tree, repair broken files, format and convert.

  • Repairs missing commas, quotes and brackets
  • Format with options, or minify
  • Tree view with forms and editable tables
  • Convert to YAML, CSV, XML, TypeScript, JSON Schema
JSONJSONLGeoJSON
Open JSON Editor

XML Editor

Edit XML as source or as a tree, repair broken markup, format and minify.

  • Repairs unclosed tags, quotes and entities
  • Format with options, or minify
  • XPath of the cursor, one click to copy
  • Tree view with attribute forms and record tables
XMLXSDSVGconfig
Open XML Editor

Markdown Editor

Write Markdown as source or on the page, with tables, diagrams and formulas; open and save Word files.

  • Source with live preview, or edit the page directly (WYSIWYG)
  • Tables, task lists, footnotes, alerts and a table of contents
  • Mermaid diagrams, LaTeX formulas and highlighted code
  • Open Word (.docx) files; export to Word or HTML

PDF Editor

Split, merge and rearrange PDF files, change their text, and add shapes, QR codes or a watermark, without uploading them.

  • Split every few pages, at chosen pages, at bookmarks, or with scissors between pages
  • Merge PDFs and pictures; drag pages into order, rotate, copy, delete
  • Click the words on a page to change them; add text, pictures, shapes and arrows
  • QR codes and barcodes (Code 128, EAN-13), page numbers and a watermark

Other sections

Data Pad — your files stay on your computer.