All Tools
Every DevCrate utility in one place. Search or filter by category. Tools marked Local run entirely in your browser.
Code Paste
Paste, highlight and optionally share code with a TTL link.
JSON Formatter
Format, validate and minify JSON entirely in your browser.
XML Formatter
Pretty-print and validate XML documents locally.
YAML Formatter
Format and validate YAML; convert to and from JSON.
HTML Formatter
Tidy and indent HTML markup in the browser.
CSS Formatter
Format and tidy CSS stylesheets locally.
JavaScript Formatter
Beautify JavaScript source without leaving your browser.
SQL Formatter
Format SQL queries for readability, locally.
Markdown Editor
Write Markdown with a live preview in your browser.
Base64 Encoder
Encode and decode Base64 text locally.
URL Encoder
Encode and decode URL components in the browser.
Text Diff
Compare two blocks of text or code side by side.
Word Counter
Count words, characters, lines and reading time.
Case Converter
Convert text between upper, lower, title, camel and snake.
Remove Duplicates
Remove duplicate lines and optionally sort the result.
Find & Replace
Find and replace text with optional regex, locally.
Lorem Ipsum
Generate placeholder paragraphs, sentences or words.
Regex Tester
Test regular expressions with live match highlighting.
JWT Decoder
Decode JWT header and payload. Does not verify signatures.
Timestamp Converter
Convert between Unix timestamps and human dates.
Cron Parser
Explain cron expressions and preview next run times.
Color Converter
Convert colors between HEX, RGB, HSL and more.
UUID Generator
Generate random v4 UUIDs in bulk, in your browser.
Hash Generator
Generate SHA-1/256/384/512 hashes with Web Crypto.
Password Generator
Generate strong random passwords locally.
QR Code Generator
Turn text or URLs into downloadable QR codes.