Developer
58 free tools available
JSON, XML, SQL, encoding, and formatting tools
A
B
Barcode Generator – Create Barcodes Online Free
Generate CODE128 barcodes from any text or number. Customize width and height, download as PNG instantly. Works 100% in your browser.
Open toolBase64 Encoder – Encode & Decode Base64 Online
Encode and decode Base64 data online. Convert text to Base64 and Base64 to text instantly.
Open toolBinary Converter – Decimal, Hex, Octal & Binary
Convert numbers between decimal, binary, hexadecimal and octal instantly. Type in any base and see the value in all others.
Open toolC
Certificate Decoder – Decode SSL Certificates
Decode X.509 SSL certificates. View certificate details and validity information.
Open toolCharacter Code – ASCII & Unicode Converter
Convert any character to its ASCII/Unicode code and back. Perfect for escaping, encoding and understanding char codes.
Open toolCode Minifier
Free online Code Minifier. Quick and easy to use, works entirely in your browser.
Open toolCron Expression Generator – Build & Explain Cron Jobs
Visually build cron expressions for scheduling tasks. Pick minutes, hours, days, months and get the exact cron syntax with a plain-English explanation.
Open toolCss Formatter
Free online Css Formatter. Quick and easy to use, works entirely in your browser.
Open toolCSS Minifier – Minify CSS Online Free
Minify CSS by removing comments, whitespace and newlines. See the size saved and copy or download the compact stylesheet.
Open toolCsv Formatter
Free online Csv Formatter. Quick and easy to use, works entirely in your browser.
Open toolCSV to JSON Converter - Convert CSV Online
Convert CSV data into formatted JSON arrays directly in your browser.
Open toolCSV to Markdown Table – Convert CSV Online
Convert CSV data to a clean Markdown table instantly. Paste CSV with headers and get a ready-to-use Markdown table.
Open toolCurrency Formatter
Free online Currency Formatter. Quick and easy to use, works entirely in your browser.
Open toolD
E
H
Hex To Text
Free online Hex To Text. Quick and easy to use, works entirely in your browser.
Open toolHTML Decoder – Decode HTML Entities Online
Decode HTML entities like & < > " back to readable characters. Also strips tags to get plain text.
Open toolHtml Entity Encoder
Free online Html Entity Encoder. Quick and easy to use, works entirely in your browser.
Open toolHtml Formatter
Free online Html Formatter. Quick and easy to use, works entirely in your browser.
Open toolHTML Minifier – Minify HTML Online Free
Minify HTML by removing comments, whitespace and unnecessary attributes. See the size saved and copy or download the compact markup.
Open toolHTML Preview – Live HTML Renderer
Write HTML and see it rendered live instantly. Perfect for testing snippets, emails and small web pages without a server.
Open toolHtml To Markdown
Free online Html To Markdown. Quick and easy to use, works entirely in your browser.
Open toolJ
Js Beautifier
Free online Js Beautifier. Quick and easy to use, works entirely in your browser.
Open toolJS Minifier – Minify JavaScript Online Free
Minify JavaScript by removing comments and unnecessary whitespace. See the size saved and copy or download the compact code.
Open toolJson Diff
Free online Json Diff. Quick and easy to use, works entirely in your browser.
Open toolJSON Formatter – Format & Validate JSON Online
Format and beautify JSON data online. Validate and prettify your JSON with syntax highlighting.
Open toolJson Minifier
Free online Json Minifier. Quick and easy to use, works entirely in your browser.
Open toolJSON Schema Generator – Create Schema from JSON
Generate a JSON Schema (draft-07) automatically from your sample JSON data. Perfect for API validation and documentation.
Open toolJson To Csv
Free online Json To Csv. Quick and easy to use, works entirely in your browser.
Open toolJSON to TypeScript – Generate TS Interfaces
Convert JSON to TypeScript interfaces automatically. Paste JSON and get ready-to-use type definitions for your project.
Open toolJSON to XML Converter – Free Online
Convert JSON data to well-formed XML instantly. Handles nested objects, arrays and custom root element names. Copy or download the result.
Open toolJson To Yaml
Free online Json To Yaml. Quick and easy to use, works entirely in your browser.
Open toolJWT Decoder – Decode JSON Web Tokens Online
Decode JWT tokens online. View header, payload, and signature of JSON Web Tokens.
Open toolJWT Generator – Create Signed JWTs Online
Generate JSON Web Tokens (JWT) with custom header, payload, and secret. Sign with HS256, HS384, or HS512.
Open toolM
N
P
Q
R
Regex Generator – Escape & Build Regex Patterns
Escape special characters and build regex patterns from your text. Generate ready-to-use patterns for email, URL, phone and more.
Open toolRegex Tester
Free online Regex Tester. Quick and easy to use, works entirely in your browser.
Open toolRoman Numeral Converter – Number to Roman & Back
Convert numbers to Roman numerals and Roman numerals back to numbers. Supports values up to 3999.
Open toolS
SemVer Validator – Validate Semantic Versions
Validate semantic version strings and compare them. Check major.minor.patch format, pre-release tags and build metadata.
Open toolSlug Generator – Create URL-Friendly Slugs
Convert any title or text into a clean URL slug. Lowercase, hyphen-separated and SEO-friendly. Perfect for blog posts and pages.
Open toolSQL Formatter – Beautify SQL Queries Online
Format and beautify SQL queries online. Make your SQL readable and well-structured.
Open toolSql Minifier
Free online Sql Minifier. Quick and easy to use, works entirely in your browser.
Open tool