plaintools.vip
Format, decode, and convert data in your browser
For developers who need one-job utilities—JSON, SQL, JWTs, UUIDs, Base64, regex, cron, CSV/SQL, Excel—without an account or upload.
- Runs in your browser
- Nothing uploaded
- No account
JSON Formatter
Beautify, minify, and validate JSON.
JWT Decoder
Decode header and payload in the browser.
UUID Generator
Create UUID v4 identifiers in your browser.
Base64 Encoder
Encode or decode Base64 and Base64URL.
Regex Tester
Test patterns with flags and match highlighting.
Cron Generator
Build and explain standard 5-field cron expressions.
SQL Formatter
Pretty-print or minify SQL with a dialect toggle.
CSV to SQL
Turn a CSV into INSERT statements.
JSON to SQL
Turn JSON into INSERT statements.
JSON to Excel
Paste JSON, download Excel or CSV.