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After a year of building 109 free browser tools at https://korelyy.com/, these 5 changed my daily workflow:

Color Picker (https://korelyy.com/tools/color-picker/) — point at any pixel, get hex instantly, see WCAG contrast against 8 background presets. Replaces 3 paid tools.

2. QR Code Generator (https://korelyy.com/tools/qr-code-generator/) — branded QR with custom colors and logo, fully client-side, no upload to a server.

3. Character Counter (https://korelyy.com/tools/character-counter/) — one view for Twitter, Xiaohongshu, LinkedIn, meta descriptions, subject lines. No more copy-paste between 4 sites.

4. JSON Formatter (https://korelyy.com/tools/json-formatter/) — paste raw JSON, get a tree, download as file. Zero upload.

5. Password Generator (https://korelyy.com/tools/password-generator/) — passphrase mode (correct-horse-battery-staple) or 40-char random. All local.

All free, no signup, no tracking, 6 languages (en / zh / es / fr / hi / ar). Drop a comment if you want one built.

Hey — I am Carson, I run korelyy.com, a small indie project where I build tools that run entirely in your browser. No accounts, no tracking, no data leaves your device. After 12 months I crossed 109 tools. Top 10 I use every week:

Emoji Mixer — combine two emoji into one PNG.

2. Character Counter — Twitter / Xiaohongshu / meta desc all in one view.

3. JSON Formatter — paste raw JSON, get a tree. No upload.

4. QR Code Generator — custom colors, logo overlay, all client-side.

5. Password Generator — 30+ chars with one click, symbols/passphrase.

6. Word Counter — reading time, keyword density.

7. Color Picker — eyedropper + WCAG contrast.

8. Base64 — text and file both.

9. Lorem Ipsum — 12 languages.

10. Markdown Preview — live side-by-side, GFM + tables.

All 109 free, 6 languages (en / zh / es / fr / hi / ar). Drop a comment if you want me to build one I have not yet.

More at https://korelyy.com/