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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 tools8 categories100% client-side5 languages

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01

Text Processing

Reshape, clean and reorder lines of text.

8 tools
Add Text to LinesAdd text at the beginning or end of each lineOpen
Convert CaseConvert text into different formatsOpen
List GeneratorConvert text into different list formatsOpen
Remove Duplicate LinesRemove duplicate lines from a listOpen
Remove Line BreaksRemove all line breaks from the textOpen
Remove Lines ContainingDelete lines containing specific wordsOpen
Slug GeneratorConvert text into URL-friendly slugsOpen
Sort TextSort lines of text with various ordering optionsOpen
02

Generators

Conjure keys, ids, passwords and placeholder data.

10 tools
API Key GeneratorGenerate prefixed API keys with configurable character setsOpen
BitTorrent Magnet Link GeneratorGenerate custom magnet links from an info hash, resource name, and tracker listOpen
JWT Secret GeneratorGenerate JWT signing secrets in hex or Base64URLOpen
Lorem Ipsum GeneratorGenerate placeholder lorem ipsum textOpen
Passphrase GeneratorGenerate memorable multi-word passphrasesOpen
Password GeneratorGenerate strong random passwordsOpen
PIN GeneratorGenerate numeric PIN codes with configurable length and quantityOpen
Random String GeneratorGenerate random strings with selectable character setsOpen
Username GeneratorGenerate unique usernamesOpen
UUID / ULID GeneratorGenerate UUID v4, UUID v7, and ULID identifiersOpen
03

Extraction

Pull structured fragments out of raw text.

2 tools
Domain ExtractorExtract domains from a list of URLsOpen
Email ExtractorExtract all email addresses from textOpen
04

Analysis

Measure and inspect what you paste in.

2 tools
Count DuplicatesCount duplicates in a listOpen
Text CounterCount characters, words, sentences, paragraphs, reading time, and top keywordsOpen
05

Security

Keys, hashes and credentials — generated locally.

8 tools
AES Key GeneratorGenerate AES-128, AES-192, or AES-256 keys in hex and Base64Open
HMAC Key GeneratorGenerate HMAC signing keys in hex, Base64, or Base64URLOpen
Password Strength CheckerAnalyze password strength and get suggestionsOpen
PEM Certificate InspectorValidate PEM certificates and compute local fingerprintsOpen
QR Code Generator/ReaderGenerate QR codes and read QR imagesOpen
Rclone Password RevealerReveal passwords stored in rclone's obscured Base64URL formatOpen
Recovery Code GeneratorGenerate grouped backup or 2FA recovery codesOpen
Salt GeneratorGenerate cryptographic salts in hex, Base64, or Base64URLOpen
06

Converters

Translate between encodings and formats.

7 tools
Base64 Encoder/DecoderEncode and decode text in Base64Open
Data Size ConverterConvert data sizes between decimal and binary unitsOpen
Emoji Shortcode ConverterConvert emoji shortcodes into real emojiOpen
HTML Entity Encoder/DecoderEncode and decode HTML entitiesOpen
Markdown to HTMLConvert Markdown to HTML with a live previewOpen
Number Base ConverterConvert numbers between decimal, hex, binary, and octalOpen
URL Encoder/DecoderEncode and decode URLs and parametersOpen
07

Development

Format, validate and decode developer payloads.

9 tools
Cron Expression ParserParse and explain Unix and AWS cron expressionsOpen
Diff CheckerCompare two texts and find the differencesOpen
Docker Run ↔ ComposeConvert docker run commands to Docker Compose and vice versaOpen
JSON Formatter/ValidatorFormat and validate JSON with error highlightingOpen
JWT DecoderDecode and inspect JSON Web TokensOpen
Regex TesterTest and debug regular expressions in real timeOpen
TOML FormatterFormat, validate, and convert TOML documentsOpen
XML BeautifierFormat and validate XML documentsOpen
YAML FormatterFormat, validate, and convert YAML with configurable indentationOpen
08

Utilities

Everyday helpers that didn't fit a box.

7 tools
Color Picker/ConverterSelect colors and convert between HEX, RGB, and HSL. Paste hex, rgb(), rgba(), hsl(), or hsla() values directly.Open
CSV ViewerPaste CSV data and explore it as a sortable tableOpen
Date IntervalCalculate the duration between two datesOpen
Hash GeneratorGenerate cryptographic hashes from textOpen
Reg2GPOConvert Windows Registry exports into Group Policy Preferences XMLOpen
Time ConvertConvert durations between common time units and formatted outputOpen
Timestamp ConverterConvert between Unix timestamps and readable datesOpen