Document Workspace
Drop your data files and run a pipeline across all of them: convert CSV to JSON, JSON to CSV, CSV to Excel and back, flatten to plain text and format JSON, entirely in your browser, with no uploads.
All processing happens in your browser and your files are never uploaded.
Four steps, one canvas
No sign-up, no uploads, build a pipeline and run it across your files.
- 1
Add your files
Drag in one file or a batch of CSV, JSON, Excel or text documents. They load straight into the workspace. Nothing is uploaded.
- 2
Build a pipeline
Stack conversions like CSV → JSON → format. Tune each step's options live and reorder them however you like.
- 3
Apply to one or all
Run a step on the selected file or apply the whole pipeline across every document at once, with per-file undo and redo.
- 4
Download the results
Export a single converted file, or grab the whole batch as a ZIP: all generated locally in your browser.
Built for real, chained work
Private by design
CSV, JSON and spreadsheets are parsed and rewritten in your browser. No uploads, no server copies of your data.
Round-trip conversions
Move between CSV, JSON and Excel in either direction, choosing delimiters and object vs. array shapes.
Clean, valid output
Format JSON pretty or minified, and flatten spreadsheets to plain text, honest, standards-based parsing.
Undo anything
Every step is reversible per file with keyboard undo/redo, experiment freely.
Frequently asked questions
Prefer a single tool?
CSV to JSON
Convert CSV to JSON in your browser. Paste or drop a.csv and get a clean array of objects or arrays with a header toggle, optional number/boolean type inference and pretty or minified output. Nothing is uploaded.
JSON to CSV
Convert JSON to CSV in your browser. Paste an array of objects and get a spreadsheet-ready CSV with a header row, automatic flattening of nested keys, and a choice of comma, semicolon or tab delimiter. Copy or download instantly. Nothing is uploaded.
CSV to Excel
Convert CSV to a real Excel.xlsx file in your browser. Paste or drop a.csv, preview the parsed grid live, name the sheet, and download a workbook that opens natively in Excel, Google Sheets and LibreOffice. Delimiter is auto-detected. Nothing is uploaded.
Excel to CSV
Convert Excel to CSV in your browser. Drop an.xlsx or.xls, pick the sheet you want and download a clean, correctly-quoted CSV. Multi-sheet workbooks, commas inside cells and quoted fields are all handled. Nothing is uploaded.
PDF to TXT
Extract all the text from a PDF into clean, editable plain text: copy it or download a.txt file. Reads every page's text layer in your browser. Nothing is uploaded. Scanned or image-only PDFs need OCR first.
Document Viewer
Open and view almost any document in your browser. Drop a PDF, CSV, Excel, text, Markdown, EPUB, RTF or image file and the viewer auto-detects the format and previews it instantly, paged PDFs, scrollable spreadsheets, rendered Markdown and more. Nothing is uploaded.
Explore every GigAI Workspace
Chain multiple tools on your files without leaving the page: private, free, and fast.