Formatters, encoders and utilities for devs. · 59 tools
Format, validate and minify JSON.
Encode and decode text in Base64.
Encode and decode URLs and parameters.
Generate UUID v4 and v7 instantly.
Inspect the header and payload of a JWT.
Test regular expressions with live highlighting.
Convert between Unix timestamps and dates.
Convert between CSV and JSON in both directions.
Convert between YAML and JSON.
Beautify SQL queries so they're easy to read.
Reduce the size of your code.
Encode and decode special characters like &, < or .
Beautify and indent messy or minified HTML code.
Format or minify CSS, SCSS and LESS instantly.
Format JS, TS, JSX or JSON code with Prettier.
Indent, validate or minify XML documents.
Convert XML to JSON and JSON to XML, with attributes.
Convert TOML files to JSON and vice versa.
Generate TypeScript interfaces or types from a sample JSON.
Validate a JSON against a JSON Schema and see every error explained.
Find the differences between two JSON files: added, removed and changed keys.
Test JSONPath expressions and see what data they return.
Explore JSON as a collapsible tree and copy the path to any value.
Understand cron expressions in plain language and see their next runs.
Calculate Linux permissions in octal and symbolic notation (755, rwxr-xr-x).
Detect browser, operating system and device from a User-Agent.
See your public IP address, version and approximate location.
Look up A, AAAA, MX, TXT, NS, CNAME records and more for any domain.
Escape strings for JavaScript, JSON, SQL, CSV, regex, URL or XML.
Generate fake people with name, email, phone and more in JSON, CSV or SQL.
Create EAN-13, UPC, Code 128 barcodes and more as PNG or SVG.
Read QR codes from an image or with the camera, without installing anything.
Scan EAN, UPC, Code 128 barcodes and more from an image or camera.
Convert hexadecimal to text and text to hexadecimal (UTF-8).
Look up ASCII and Unicode codes with decimal, hex, binary, HTML and escapes.
Generate SEO, Open Graph and X meta tags with a Google preview.
See how a link looks when shared on WhatsApp, Facebook and LinkedIn.
Create a robots.txt with rules, sitemap and AI bot blocking.
Sign JWT tokens with HS256, HS384 or HS512 in your browser.
Generate unique ULID, NanoID, CUID and ObjectId IDs.
Convert Base64 text or a Data URI into an image and download it.
Build or edit URLs with parameters (query string) without encoding errors.
Every HTTP status code (200, 301, 404, 500…) explained in plain language.
Find the right Content-Type for each file extension.
Compress several files into a ZIP from your browser.
Open ZIP, TAR and GZ files and download their contents.
Open RAR, 7Z, ISO files and more, even password-protected ones.
Compress files to .gz or decompress GZIP files.
Open CSV files as a table, filter, sort and export to Excel.
Open XLSX, XLS and ODS files in your browser, no Excel needed.
Generate a .gitignore for your language, framework, editor and OS.
Convert a color to CSS, Swift, Android, Flutter, Unity, C# format and more.
Count lines of code, comments and blank lines.
Generate CREATE TABLE and INSERT statements from a CSV.
Validate lists of emails and phone numbers: format, typos and temporary emails.
Test CSS selectors on your HTML and see which elements match.
Convert many Unix timestamps to dates (or dates to Unix) in one go.
Describe what you want to validate and get the regular expression with examples.
Describe what you need and get the SQL query for your database.
