thaivh tools
All Tools

Free Developer Tools

Format JSON, check diffs, generate hashes, create QR codes, and more. Free browser-based developer tools — no install needed.

6 tools available — all free, no sign-up required.

🎨

Color Hex Generator

Generate random hex colors with RGB and HSL conversions. Create color palettes for design projects.

GeneratorDesignDeveloper
📱

QR Code Generator

Generate QR codes for URLs or text instantly. Free, no sign-up, runs in your browser.

GeneratorDeveloper
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JSON Formatter

Format, minify, and validate JSON instantly in your browser. No sign-up, no data sent to servers.

DeveloperText
🔍

Text Diff Checker

Compare two texts side by side and highlight added, removed, and unchanged lines. Works with code, JSON, and prose.

TextDeveloper
🔗

Text Joiner

Join lines into SQL IN clauses, CSV, quoted strings, or any custom delimited format. Paste, configure, copy.

TextDeveloper
#️⃣

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly. Hash text or files client-side with HMAC support. No data sent to servers.

DeveloperSecurity

Frequently Asked Questions

Are these Developer Tools tools free to use?▾
Yes, all 6 tools in this category are completely free. No sign-up, no account, and no payment required. Every tool works instantly in your browser.
Do these tools work on mobile phones?▾
Yes. All tools are mobile-responsive and work on iOS, Android, and desktop browsers. Touch events are supported where applicable.
Is my data sent to a server?▾
Most tools run entirely in your browser — no data is transmitted. Tools that fetch live data (price charts, currency rates) only request public market data. No personal data is ever sent to any server.
How many Developer Tools tools are available?▾
There are 6 tools in this category. All are free and require no sign-up. Browse the list above to find the tool you need.