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Skip to contentFormat, validate and convert JSON, XML, SQL, HTML, CSS, JS and more — one developer workspace.
Format, validate and convert JSON, XML, SQL, HTML, CSS, JS and more — one developer workspace. Runs entirely in your browser — nothing is uploaded.
Paste or enter your input into Tentaco Code Studio. Standard processing runs locally in your browser — contents are not sent to Tentaco servers for that path.
No account required — copy or download the result when you are done. People often search for: code studio, json workbench, json formatter.
Open Code Studio — no registration required.
Paste or type your input.
Adjust options and review the preview or output.
Copy or save the result and re-run if needed.
Transfer to Tentaco: No for the standard mode. Processing: local in the browser. Permanent storage: only if you copy or save the result yourself.
LocalThis tool processes data locally in your browser. Tentaco does not receive your file contents for this mode.
No. Code Studio processes the standard mode locally in your browser; Tentaco does not receive your input for that path.
Yes. Copy the output from Code Studio or download it when the tool offers a file.
Code Studio follows the formats named in the UI and description. Unlisted variants are not guaranteed.
After the first load, Code Studio often keeps working offline. Online dependencies are labeled.
HTML Studio online — free in your browser
Browser HTML/CSS/JS editor with live sandboxed preview, templates and export. Tentaco HTML Studio: review input and get an instant result — free, no sign-up.
Text Processing Hub online — free
Transform, analyze, extract and structure text — find/replace, trim, sort, count and more.
Regex tester online — live match & replace free
Test regular expressions with live highlighting, capture groups and replace preview — in your browser.
CSS Minifier — shrink stylesheets
Minify CSS by removing comments and whitespace. Tentaco CSS Minifier: review input and get an instant result — free, no sign-up.
CSV to JSON — convert table data
Turn CSV data into structured JSON (and back). Tentaco CSV to JSON Converter: review input and get an instant result — free, no sign-up.
Data Studio online — free in your browser
CSV, TSV, query strings and table tools in one workspace. Tentaco Data Studio: review input and get an instant result — free, no sign-up.
.env File Parser online — free
Parse .env files into JSON or export as key=value lines. Tentaco .env File Parser: review input and get an instant result — free, no sign-up.
File Studio online — free in your browser
Inspect, compare and transform any file locally in your browser. Tentaco File Studio: review input and get an instant result — free, no sign-up.