How to open a JSON file online
Three steps, a few seconds, no software.
Open your .STW file
Drop it on the box, choose it from your device, or paste the data straight in.
View the structure
Your .STW file opens as a tidy, foldable tree, with the exact line of any error pointed out.
Search, copy or download
Search keys and values, copy any path or value, switch to a table, or download a clean copy.
What is a .STW file?
The most common data format on the web.
An STW file is a word processor template from OpenOffice.org 1.x and StarOffice (2000 to 2005), used to store predefined styles and formatting for new documents. Open it with LibreOffice Writer or Apache OpenOffice Writer; both handle it without extra steps. For long-term use, save a copy as OTT (the modern equivalent) or DOCX.
Programs that open .STW files
| Full name | StarWriter/OpenOffice.org 1.x Text Document Template |
|---|---|
| Developer | Sun Microsystems / Oracle (StarOffice origin); The Document Foundation (LibreOffice) |
| First released | 2000 (OpenOffice.org 1.0 / StarOffice 6.0) |
| Category | Text & Code |
| MIME type | application/vnd.sun.xml.writer.template |
| Signature | 50 4B 03 04 "PK" - ZIP header |
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Frequently asked questions
Is my .STW file uploaded anywhere?
No. The file is opened directly from the copy you pick.
My .STW file is invalid. Can you fix it?
We show the exact line and column of the first error. For common problems like comments, trailing commas, single quotes or Python-style True/False/None, click Try to repair and download the fixed file.
How large can the file be?
Up to 50 MB. The tree only builds the branches you open, so even multi-megabyte files stay responsive.
What is JSONPath?
A path like $.orders[3].customer.email that points to one value inside the data. Click any node to see its path and copy it for code, jq or your API docs.
Can I see my data as a table?
Yes. Any array of objects can be shown in the Table view and downloaded as CSV.
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