ToolStash: free browser-based developer tools (JSON, SQL, regex, hashes, converters) plus Pakistan tax & everyday calculators. No signup.
About ToolStash
ToolStash (toolstash.tools) is a free browser-based set of developer utilities and calculators. JSON formatter, diff checker, regex tester, hash/UUID generators, SQL formatter/minifier, Base64, color converter, plus JSON/YAML/TypeScript/CSV/Markdown/HTML/SQL converters. Also Pakistan salary & income tax, zakat, EMI, marla, tola, CGPA, BMI. Runs in your browser — no signup. Started Sept 2026.
✓ VerifiedNov 1, 2026
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