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A quiet workshop of small, sharp tools

Small, sharp tools for everyday work.

A workbench of fast, private utilities for text, code and crypto — formatters, generators, converters and inspectors. Everything runs in your browser. Nothing is ever uploaded.

53 tools 8 categories 100% client-side 5 languages

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01

Text Processing

Reshape, clean and reorder lines of text.

8 tools
Add Text to Lines Add text at the beginning or end of each line Open
Convert Case Convert text into different formats Open
List Generator Convert text into different list formats Open
Remove Duplicate Lines Remove duplicate lines from a list Open
Remove Line Breaks Remove all line breaks from the text Open
Remove Lines Containing Delete lines containing specific words Open
Slug Generator Convert text into URL-friendly slugs Open
Sort Text Sort lines of text with various ordering options Open
02

Generators

Conjure keys, ids, passwords and placeholder data.

10 tools
API Key Generator Generate prefixed API keys with configurable character sets Open
BitTorrent Magnet Link Generator Generate custom magnet links from an info hash, resource name, and tracker list Open
JWT Secret Generator Generate JWT signing secrets in hex or Base64URL Open
Lorem Ipsum Generator Generate placeholder lorem ipsum text Open
Passphrase Generator Generate memorable multi-word passphrases Open
Password Generator Generate strong random passwords Open
PIN Generator Generate numeric PIN codes with configurable length and quantity Open
Random String Generator Generate random strings with selectable character sets Open
Username Generator Generate unique usernames Open
UUID / ULID Generator Generate UUID v4, UUID v7, and ULID identifiers Open
03

Extraction

Pull structured fragments out of raw text.

2 tools
Domain Extractor Extract domains from a list of URLs Open
Email Extractor Extract all email addresses from text Open
04

Analysis

Measure and inspect what you paste in.

2 tools
Count Duplicates Count duplicates in a list Open
Text Counter Count characters, words, sentences, paragraphs, reading time, and top keywords Open
05

Security

Keys, hashes and credentials — generated locally.

8 tools
AES Key Generator Generate AES-128, AES-192, or AES-256 keys in hex and Base64 Open
HMAC Key Generator Generate HMAC signing keys in hex, Base64, or Base64URL Open
Password Strength Checker Analyze password strength and get suggestions Open
PEM Certificate Inspector Validate PEM certificates and compute local fingerprints Open
QR Code Generator/Reader Generate QR codes and read QR images Open
Rclone Password Revealer Reveal passwords stored in rclone's obscured Base64URL format Open
Recovery Code Generator Generate grouped backup or 2FA recovery codes Open
Salt Generator Generate cryptographic salts in hex, Base64, or Base64URL Open
06

Converters

Translate between encodings and formats.

7 tools
Base64 Encoder/Decoder Encode and decode text in Base64 Open
Data Size Converter Convert data sizes between decimal and binary units Open
Emoji Shortcode Converter Convert emoji shortcodes into real emoji Open
HTML Entity Encoder/Decoder Encode and decode HTML entities Open
Markdown to HTML Convert Markdown to HTML with a live preview Open
Number Base Converter Convert numbers between decimal, hex, binary, and octal Open
URL Encoder/Decoder Encode and decode URLs and parameters Open
07

Development

Format, validate and decode developer payloads.

9 tools
Cron Expression Parser Parse and explain Unix and AWS cron expressions Open
Diff Checker Compare two texts and find the differences Open
Docker Run ↔ Compose Convert docker run commands to Docker Compose and vice versa Open
JSON Formatter/Validator Format and validate JSON with error highlighting Open
JWT Decoder Decode and inspect JSON Web Tokens Open
Regex Tester Test and debug regular expressions in real time Open
TOML Formatter Format, validate, and convert TOML documents Open
XML Beautifier Format and validate XML documents Open
YAML Formatter Format, validate, and convert YAML with configurable indentation Open
08

Utilities

Everyday helpers that didn't fit a box.

7 tools
Color Picker/Converter Select colors and convert between HEX, RGB, and HSL. Paste hex, rgb(), rgba(), hsl(), or hsla() values directly. Open
CSV Viewer Paste CSV data and explore it as a sortable table Open
Date Interval Calculate the duration between two dates Open
Hash Generator Generate cryptographic hashes from text Open
Reg2GPO Convert Windows Registry exports into Group Policy Preferences XML Open
Time Convert Convert durations between common time units and formatted output Open
Timestamp Converter Convert between Unix timestamps and readable dates Open