Anvil

Timestamp Converter

Convert between Unix timestamps, dates, and timezones

Number Base Converter

Convert between binary, octal, decimal, hexadecimal, and custom bases

CSS Beautify/Minify

Format and minify CSS stylesheets

JS Beautify/Minify

Format and minify JavaScript code

Search Anvil Tools

Search Anvil tools and open the selected tool.

JSON ↔ CSV

Convert between JSON and CSV with auto-detection and configurable delimiters

RegExp Tester

Test and debug regular expressions with live matching

Text Diff Checker

Compare two texts and highlight differences

X.509 Certificate Decoder

Decode PEM and DER certificates with subject, issuer, SANs, validity, fingerprints, and warnings

HTML Preview

Preview and format HTML with live WebView rendering

ERB Beautify/Minify

Format Ruby embedded templates

Base64 Encode/Decode

Encode and decode Base64 strings with format variants

Backslash Escape/Unescape

Escape and unescape backslash sequences (\n, \t, etc.)

Hash Generator

Compute MD2/4/5, SHA-1, SHA-2, SHA-3, Keccak-256 digests with HMAC and verify support

SSH Key Generator

Generate SSH key pairs (Ed25519, RSA, ECDSA) with OpenSSH public keys, PEM and OpenSSH private keys, fingerprints, and randomart

IP/Subnet Calculator

Calculate IPv4 and IPv6 subnets, masks, host ranges, and counts from CIDR or netmask notation

URL Encode/Decode

Encode and decode URLs with RFC 3986 and form encoding support

JWT Debugger

Decode and verify JWT tokens

XML Beautify/Minify

Format and minify XML documents

HTML Beautify/Minify

Format and minify HTML documents

HTML Entity Encode/Decode

Encode and decode HTML entities with named and numeric formats

Logs Formatter

Format, inspect, and filter developer logs

QR Code Reader/Generator

Generate and read QR codes with templates and error correction

String Inspector

Analyze string encoding, Unicode, character classes, security, and patterns

Color Converter

Convert HEX, RGB, HSL, HSV, and CMYK colors with palette harmonies

SCSS Beautify/Minify

Format and minify SCSS/Sass stylesheets

Mac App / Signing Inspector

Inspect app bundles, Info.plist files, entitlements, signing, and provisioning profiles

String Case Converter

Convert text between camelCase, snake_case, kebab-case, title case, and more

Line Sort & Dedupe

Sort line-based text, remove duplicates, and normalize whitespace or case

Random String Generator

Generate secure random strings with configurable alphabets

HTML to JSX

Convert HTML markup to React-compatible JSX

Markdown Preview

Preview Markdown and convert to HTML or HTML + CSS

Cron Job Parser

Validate cron expressions and explain each schedule field

Hex ↔ ASCII

Convert between hexadecimal byte pairs and ASCII text

TOML Formatter

Format, minify, validate, and convert TOML to JSON or YAML

PHP Array ↔ JSON

Convert between PHP array literals and JSON, with var_export output support

OTP/TOTP Generator

Generate and validate TOTP and HOTP one-time passwords with QR code export

PHP Serialize/Unserialize

Decode and encode PHP serialize() blobs and session data with a typed tree and JSON view

Open Anvil Command Palette

Open Anvil's command palette.

Decode Base64 Clipboard

Decode the latest copied Base64 text in Anvil and copy the result.

Format JSON Clipboard

Format the latest copied JSON in Anvil and copy the result.

JSON Format/Validate

Format, beautify, or minify JSON strings

LESS Beautify/Minify

Format and minify LESS stylesheets

Lorem Ipsum Generator

Generate placeholder text, names, emails, and URLs

UUID/ULID Generator

Generate and decode UUIDs, ULIDs, and other identifiers

YAML ↔ JSON

Convert between YAML and JSON formats with auto-detection

JSON to Code

Generate typed models from JSON across Swift, Kotlin, TypeScript, Python, Java, C#, Go, Rust, Dart, and more

CURL to Code

Convert a cURL command into request code for fetch, axios, Python, Go, PHP, Java, Rust, and more

Localization Inspector

Analyze Android, Apple, and web localization keys, duplicates, placeholders, plurals, and safe rename exports

SQL Formatter

Format SQL queries with dialect-aware parsing across MySQL, PostgreSQL, BigQuery, T-SQL and more