Encode or decode Base85 text in your browser with Adobe Ascii85, plain Ascii85, RFC 1924, and Z85 options, including Adobe wrappers and zero-block shorthand on decode.

Base91 Encoder And Decoder

Encode and decode Base91 text using an online tool.

Base92 Encoder And Decoder

Encode and decode Base92 text locally in your browser.

Bech32 Encoder And Decoder

Encode and decode Bech32 and Bech32m strings from HRP and payload hex.

Binary Encoder And Decoder

Convert UTF-8 text to binary byte octets and back online.

CSV to JSON Converter

Convert CSV rows to JSON objects or arrays with delimiter and header options.

Decimal Encoder And Decoder

Encode and decode decimal byte values using an online tool.

Ecoji Encoder And Decoder

Encode text into a browser-local emoji alphabet, decode output from this tool, and see where it differs from canonical Ecoji V1 or V2 tools.

HTML Encoder And Decoder

Encode and decode HTML entities using an online tool.

HTML to Markdown Converter

Convert HTML snippets into Markdown for documentation, release notes, and content cleanup.

JSON String Escape / Unescape

Escape and unescape JSON string literals with local, user-controlled conversion.

JSON to CSV Converter

Convert JSON arrays to CSV with delimiter, header, and line ending options.

JSON to XML Converter

Convert JSON to XML in your browser, turning objects and arrays into escaped XML elements with instant output, empty-input handling, and invalid JSON errors.

LEB128 Encoder And Decoder

Encode and decode LEB128 values using an online tool.

Markdown to HTML Converter

Convert Markdown snippets to HTML locally in your browser, with options for auto-links, task-list shortcuts, emoji shortcuts, new-window links, and complete HTML documents.

Multibase Encoder and Decoder

Encode and decode prefixed multibase strings with a focused browser tool.

Number Base Converter

Convert signed integers between bases 2 through 36 online.

Octal Encoder And Decoder

Encode and decode octal byte groups using an online tool.

Text Case Converter

Convert text into writing cases and code identifier cases locally in your browser.

Unicode Base64 Encoder And Decoder

Encode and decode Unicode Base64 text using UTF-8.

URL Encoder / Decoder

Encode and decode URL components or full URLs locally in your browser.

Uuencode and Xxencode Encoder and Decoder

Encode and decode Uuencode and Xxencode text using an online tool.

XML to JSON Converter

Convert XML to pretty-printed JSON locally in your browser with attribute, text, repeated-element, copy, and download support.

Cryptography

Generate deterministic text digests with CRC, Keccak, MD, SHA, SHA-3, SHAKE, and Whirlpool hash tools.

CRC-16 Hash Generator

Calculate a CRC-16/ARC checksum from text and compare the four-character hex result.

CRC-32 Hash Generator

Calculate a CRC-32/ISO-HDLC checksum from text and compare the eight-character hex result.

CRC-64/XZ Checksum Generator

Calculate a CRC-64/XZ checksum from text and compare the 16-character uppercase hex result.

Keccak-224 Hash Generator

Create a 56-character Keccak-224 digest from text.

Keccak-256 Hash Generator

Generate a Keccak-256 hash of a string of text.

Keccak-384 Hash Generator

Generate a Keccak-384 hash of a string of text.

Keccak-512 Hash Generator

Generate a Keccak-512 hash of a string of text.

MD2 Hash Generator

Generate an MD2 hash of a string of text.

MD4 Hash Generator

Generate an MD4 hash of a string of text.

MD5 Hash Generator

Generate an MD5 hash of a string of text.

MD6 Hash Generator

Create a deterministic MD6-labeled comparison value for a string of text.

SHA-1 Hash Generator

Generate a SHA-1 message digest from text input.

SHA-224 Hash Generator

Generate a SHA-224 message digest from text input.

SHA-256 Hash Generator

Generate a SHA-256 hash of a string of text.

SHA-384 Hash Generator

Generate a SHA-384 message digest from text input.

SHA-512 Hash Generator

Generate a SHA-512 message digest from text input.

SHA-512/224 Hash Generator

Generate a SHA-512/224 hash of a string of text.

SHA-512/256 Hash Generator

Generate a SHA-512/256 message digest from text.

SHA3-224 Hash Generator

Generate a SHA3-224 digest from text locally in your browser.

SHA3-256 Hash Generator

Generate a SHA3-256 digest from text locally in your browser.

SHA3-384 Hash Generator

Generate a SHA3-384 digest from text locally in your browser.

SHA3-512 Hash Generator

Generate a SHA3-512 digest from text locally in your browser.

SHAKE-128 Hash Generator

Generate SHAKE-128 hashes locally from UTF-8 text, choose a whole-byte output length, and copy the uppercase hex digest for tests or identifiers.

SHAKE-256 Hash Generator

Generate SHAKE-256 hashes locally from UTF-8 text, choose a whole-byte output length, and copy the uppercase hex digest for tests or identifiers.

Whirlpool Hash Generator

Generate a standard Whirlpool digest from text locally in your browser.

Developer

Test patterns, compare text, and explain schedule expressions for developer workflows.

Cron Expression Parser

Explain five-field cron schedules with names, ranges, lists, and step values.

JSON Diff Checker

Compare two JSON documents locally and review added, removed, changed, or unchanged values by path.

JSONPath Tester

Evaluate common JSONPath selectors against JSON locally in your browser.

Line Tools

Sort, trim, deduplicate, reverse, and shuffle lines locally.

Query String Parser

Parse query strings into rows, JSON, or rebuilt encoded output.

Regex Tester

Test JavaScript regex patterns with flags, groups, and match positions.

Text Diff Checker

Compare two text blocks locally with a line-by-line diff.

URL Parser

Parse URLs into standard URL parts with masked credentials by default.

Word & Character Counter

Count words, Unicode characters, lines, paragraphs, and estimated reading time locally.

Design

Convert colors and generate browser-friendly visual CSS values.

Color Converter

Convert CSS colors between HEX, RGB/RGBA, and HSL/HSLA locally.

CSS Border Radius Generator

Generate compact border-radius CSS with linked corners, units, and a local preview.

CSS Box Shadow Generator

Generate single-layer box-shadow CSS with offsets, blur, spread, color, inset, and preview.

CSS Clamp Generator

Generate responsive CSS clamp() values with viewport ranges, rem-aware math, and copyable output.

CSS Gradient Generator

Generate CSS gradients with color stops, angle controls, and a local preview.

WCAG Contrast Checker

Check WCAG contrast ratios for text and UI color pairs locally.

Format

Beautify CSS, HTML, and JavaScript into cleaner, easier-to-read code.

CSS Beautifier

Format messy or minified CSS into readable stylesheet text.

HTML Beautifier

Format and beautify HyperText Markup Language (HTML).

JavaScript Beautifier

Format messy or minified JavaScript into readable source text.

JSON Formatter

Format, minify, and validate JSON with local browser processing.

Markdown Previewer

Preview Markdown locally in your browser, render CommonMark and GitHub-flavored syntax, and inspect cleaned HTML output before copying drafts into another editor.

SQL Formatter

Format or minify SQL locally without executing queries.

XML Formatter / Validator

Validate, format, and minify XML locally with selectable indentation.

Generate

Create lightweight generated content, including meta tags, QR codes, robots.txt, sitemap.xml, and repeatable pirate names.

Network

Validate network inputs and prepare DNS or address-planning lookups.

DNS Lookup Command Generator for dig and nslookup

Generate dig and nslookup commands for DNS record lookups you run yourself.

Security

Decode security tokens and generate local browser-only credentials.

JWT Decoder for Header, Payload, and Claims Viewer

Inspect JWT header, payload, and registered claims without signature verification.

Password Generator

Generate local random passwords with configurable character sets.