Browser resource
Base64 Encoder/Decoder
Encode text or files to Base64, or decode Base64 strings.
base64 encoderbase64 decoder
Developer & Text Tools
Developer & Text Tools resources and learning tools.
JSON formatter, regex tester, hash generator, diff checker, and more.
Learning area
A focused collection for this topic.
These pages are grouped as a learning collection. More lecture notes, examples, and practical tools can be added without changing the page structure.
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Available resources
Available resources
Start with these resources
This category combines current MuhammadLab pages that match the topic. More lecture guides and interactive tools can be added here as the lab grows.
Browser resource
Regex Tester
Test regular expressions with live highlighting.
regex testerregular expression tester
Browser resource
Developer & Text Tools Studio
All-in-one developer utility workspace: format JSON/XML/YAML/SQL/CSS/HTML, test regex, decode JWT, generate UUIDs & hashes, compare diffs, edit Markdown, and more — all locally in your browser.
developer tools studiojson formatterregex testerhash generatoruuid generator
Browser resource
Text Diff Checker
Compare two texts and see differences highlighted.
diff checkertext compare
Browser resource
URL Encoder/Decoder
Encode or decode URL strings.
url encoderurl decoder
Browser resource
Password Generator
Generate secure random passwords.
password generatorrandom password
Browser resource
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes.
hash generatormd5sha256
Browser resource
JWT Decoder
Decode JWT tokens to see header and payload.
jwt decoderdecode jwt
Browser resource
CSS Minifier & Beautifier
Minify or beautify CSS code.
css formattercss minifier
Browser resource
HTML Minifier & Beautifier
Minify or beautify HTML code.
html formatterhtml minifierhtml beautifier
Browser resource
SQL Formatter
Format and beautify SQL queries.
sql formattersql beautifier
Browser resource
Markdown Editor & Preview
Write Markdown and see live HTML preview.
markdown previewmarkdown editor
Browser resource
Color Picker & Converter
Pick colors and convert between HEX, RGB, HSL.
color pickerhex to rgbcolor converter
Browser resource
XML Formatter & Validator
Format and validate XML documents.
xml formatterxml validator
Browser resource
Lorem Ipsum Generator
Generate placeholder text.
lorem ipsum generatorplaceholder text
Browser resource
UUID Generator
Generate UUID v4 identifiers.
uuid generatorguid generator
Browser resource
YAML Formatter & Validator
Format and validate YAML files.
yaml formatteryaml validator
Browser resource
Text Case Converter
Convert text to camelCase, snake_case, UPPERCASE, and more.
text case convertercamelcasesnake_case
Browser resource
Cron Expression Builder
Build cron expressions visually.
cron generatorcron expression builder
Browser resource
URL Slug Generator
Generate URL-safe slugs from text.
slug generatorurl slug