Handle the small tasks.
Get back to building.

Format JSON, test patterns, compare text, and tune colors. Then get back to building.

Security

JWT Decoder

Decode JSON Web Token headers and payloads, inspect expiration, and verify HS256, RS256, or ES256 signatures.

Design

Favicon Generator

Create favicon, Apple, Android, and PWA icon files from an image, with ready-to-paste HTML and manifest snippets.

Hashing

Bcrypt Generator

Create bcrypt hashes, adjust the cost factor, and verify passwords against existing hashes.

Text

Case Converter

Convert text between camelCase, snake_case, PascalCase, kebab-case, and other common naming styles.

Design

Color Picker

Pick colors and convert between HEX, RGB, and HSL values. Copy color values for use in a project.

Text

Lorem Ipsum Generator

Generate placeholder text by word, sentence, or paragraph count, with optional HTML tags.

Code

Regex Tester

Test regular expressions against sample text with highlighted matches, capture groups, and a syntax reference.

Code

Diff Checker

Compare two text inputs side by side and inspect the lines that were added, removed, or changed.

Design

Palette Generator

Build a color palette from a base color and explore related hues, shades, and tints.

Code

Minifier

Minify JavaScript, CSS, or HTML by removing whitespace and other unnecessary characters.

Security

Password Generator

Generate passwords with a chosen length and character sets, including letters, numbers, and symbols.

Code

Cron Tool

Build or parse cron expressions, review a readable schedule, and preview upcoming run times.

Code

UUID Tool

Generate UUIDs in supported versions, individually or in batches, for use as unique identifiers.

Design

Border Radius Generator

Adjust corner radii in a visual preview and copy the resulting CSS border-radius value.

Code

JSON Tool

Format, validate, or minify JSON. Inspect syntax errors and copy the corrected output.

Design

Color Contrast Checker

Check the contrast ratio between foreground and background colors against WCAG AA and AAA criteria.

Design

Box Shadow Generator

Adjust blur, spread, offset, and color in a preview, then copy the CSS box-shadow value.

Text

URL Encoder / Decoder

Encode URL values or full URLs, and decode percent-encoded text with input validation.

Code

Timestamp Converter

Convert Unix timestamps to UTC dates and ISO 8601 dates to seconds or milliseconds.

Code

Base64 Encoder / Decoder

Encode UTF-8 text as Base64 or decode Base64 back to readable text.

Code

HTML Entity Encoder / Decoder

Escape HTML-sensitive characters or decode common named and numeric entities.

Code

Number Base Converter

Convert whole numbers between binary, octal, decimal, and hexadecimal.

Code

CSV to JSON Converter

Convert CSV rows into JSON objects using the first row as column names.

Text

Markdown Table Generator

Turn tab-separated rows into a Markdown table with escaped cell values.

Security

HMAC Generator

Generate or verify HMAC values with SHA-1, SHA-256, SHA-512, or MD5 in hex or Base64.