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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 ↵