Web Tools

Encode text or binary data to Base64 and decode Base64 strings back to plain text — free, instant, no data leaves your browser.

Convert colors between HEX, RGB, and HSL formats instantly. Pick any color with the color wheel and copy values for CSS, design tools, or code.

Format, validate, and minify JSON instantly. Paste messy JSON and get clean, indented output — free, browser-based, no data sent.

Generate strong, random passwords with customizable length and character sets. Uses your browser's cryptographic RNG — no passwords are stored or transmitted.

Instantly count words, characters, sentences, paragraphs, and estimate reading time for any text — free, online, no sign-up.

Turn pasted CSV or spreadsheet rows into JSON, and convert JSON records back into CSV. Headers and quoted fields are handled for you.

Compare two blocks of text and see exactly which lines were added, removed, or left alone. Works entirely in your browser.

Shrink JPG, PNG, and WebP images in your browser by resizing them and lowering quality. Nothing leaves your device.

Decode a JSON Web Token's header and payload in your browser to inspect its claims, expiry, and signing algorithm.

Write Markdown on the left and see the rendered result on the right, with word counts and a copyable HTML view.

Turn any text or link into a scannable QR code in your browser, then download it as a PNG or SVG.

Test a regular expression against sample text and see every match highlighted as you type, with capture groups listed separately.

Convert values between units of length, weight, temperature, and volume, with results that update as you type.

Encode and decode URLs and query string values right in your browser. Handles percent-encoding for special characters, spaces, and non-English text.