Everything Developers Need. One Simple Toolkit.
Format, validate, convert, compare and share code with fast, browser-powered developer utilities.
Your code stays in your browser. We don't store your code unless you explicitly choose to share it.
Popular tools
The utilities developers reach for most.
Code Paste
Paste, highlight and optionally share code with a TTL link.
JSON Formatter
Format, validate and minify JSON entirely in your browser.
Markdown Editor
Write Markdown with a live preview in your browser.
Base64 Encoder
Encode and decode Base64 text locally.
Text Diff
Compare two blocks of text or code side by side.
Regex Tester
Test regular expressions with live match highlighting.
JWT Decoder
Decode JWT header and payload. Does not verify signatures.
UUID Generator
Generate random v4 UUIDs in bulk, in your browser.
Browse by category
Grouped so you can find the right tool fast.
Paste & Share
Paste, highlight and share code with expiring links.
Format & Validate
Pretty-print and validate JSON, XML, YAML and more.
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.
Encode & Decode
Base64, URLs, HTML entities and format converters.
Text Utilities
Count, compare, sort, convert and clean up text.
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.
Developer Utilities
Regex, JWT, timestamps, cron and other daily helpers.
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.
Generators
UUIDs, hashes, passwords and QR codes.
Your Code Belongs to You.
Most DevCrate tools process your content directly in your browser. Your code is not uploaded to our servers when you format, validate, convert or compare it.
When you explicitly create a shareable link, your selected content is temporarily stored in cloud infrastructure and automatically expires according to your selected TTL.
Runs in your browser
Formatting, validation, encoding and comparison never leave your device.
Share only when you choose
Links are opt-in, can be password-protected, and expire automatically.
Fast and registration-free
Open a tool and start working. No account required.