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Web Developer Tools Course: 369 Lessons + Quizzes — pelatihan.org

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Web Developer ToolsAll levels

Web Developer Tools

Learn Web Developer Tools online with 369 structured lessons, code examples, and 1845 quiz questions.

369 lessons 28 chapters 1845 questions

Curriculum

28 chapters · 369 lessons

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Click a lesson to preview its summary and key points for free.

01

Developer Tools

1 lessons

02

Formatters

11 lessons

01JSON Formatter 02JSON Minifier 03

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369 lesson materials

1845 questions

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JSON Validator

04JSON Stringify

05Sort JSON Keys

06HTML Formatter

07CSS Formatter

09SQL Formatter

10XML Formatter

11YAML Formatter

03

Encoders / Decoders

10 lessons

01Base64 02URL Encode/Decode 03HTML Entities 04JWT Decoder 05Base32 Encode/Decode 06Base58 Encode/Decode 07ROT13 / ROT47 Cipher 08CRC32 Checksum 09Punycode Converter 10Quoted-Printable

04

Converters

19 lessons

01JSON to YAML 02JSON to TOML 03YAML to TOML 04JSON to CSV 05XML to JSON 06JSON to TypeScript 07JSON to Python 08JSON to Java 09JSON to C#10JSON to Go 11JSON Schema Generator 12SQL to JSON 13Query String Converter 14Number Base 15Unix Timestamp 16Case Converter 17Text to HTML 18CSV to Markdown 19HTML to Markdown

05

Generators

17 lessons

01UUID Generator 02Hash Generator 03Password Generator 04Lorem Ipsum 05QR Code 06QR Code Scanner 07Barcode Generator 08Slug Generator 09Meta Tag Generator 10Placeholder Image 11HTML Table Generator 12Markdown Table Generator 13robots.txt Generator 14.htaccess Generator 15Mock Data Generator 16README Generator 17Random Number Generator

06

Testers

11 lessons

01RegEx Tester 02Text Diff 03Markdown Preview 04String Inspector 05JSON Path Evaluator 06CSV Viewer 07JSON Tree Viewer 08Live Code Preview 09SVG Preview 10JSON Compare 11Responsive Tester

07

CSS Visual Tools

18 lessons

01Gradient Generator 02Box Shadow Generator 03Flexbox Playground 04Grid Generator 05CSS Unit Converter 06Border Radius 07Text Shadow 08Animation Generator 09Filter Generator 10Transform Generator 11Clip Path Generator 12Multi-Column 13Glassmorphism Generator 14Neumorphism Generator 15CSS Loader Generator 16CSS Button Generator 17Cubic Bezier Editor 18CSS Blob Generator

08

Colors & Accessibility

7 lessons

01Color Picker 02Color Converter 03Palette Generator 04Contrast Checker 05Color Blindness Simulator 06Shades & Tints Generator 07Color Name Finder

09

Text Utilities

34 lessons

01Escape/Unescape 02SQL Escape 03Regex Escape 04XML Escape 05CSV Escape 06Backslash Escape 07URL Parser 08Word Counter 09Emoji Picker 10Encoding Detector 11Find and Replace 12Censor Words 13Extract Email Addresses 14Extract a Substring 15Find Hidden Characters 16Add Quotes to Text 17Repeat Text 18Truncate Text 19Reverse Text 20Rotate Text 21Randomize Case 22Text to Unicode 23Palindrome Checker 24Create a Palindrome 25Whitespace Cleaner 26Remove Extra Spaces 27Remove Blank Lines 28Tabs to Spaces 29Character Counter 30Text to Binary 31Morse Code Translator 32NATO Phonetic Alphabet 33Online Notepad 34Text to Speech

10

Dev Utilities

20 lessons

01Cron Parser 02Cron Expression Builder 03Chmod Calculator 04HTTP Status Codes 05MIME Type Lookup 06Aspect Ratio Calculator 07Social Share Preview 08Font Preview 09CSS Minifier 10JavaScript Minifier 11Pixel Ruler 12Device Mockup 13cURL Converter 14User Agent Parser 15JavaScript Key Code Info 16Online Stopwatch 17Docker Run to Compose 18ASCII Text Art 19Device Information 20HTTP Header Analyzer

11

Calculators

33 lessons

01IP Subnet Calculator 02IP Address Converter 03IP Range Expander 04IPv6 ULA Generator 05MAC Address Generator 06MAC Address Lookup 07Binary Calculator 08Bitwise Calculator 09Unit Converter 10Length Converter 11Weight Converter 12Temperature Converter 13Data Storage Converter 14Area Converter 15Speed Converter 16Time Converter 17Volume Converter 18Roman Numeral Converter 19Date & Age Calculator 20Age Calculator 21Date Difference 22Add or Subtract Days 23Leap Year Checker 24Day of the Week 25Percentage Calculator 26Math Expression Evaluator 27Number Sequence Generator 28Arithmetic Sequence Calculator 29Number to Words 30Sum a List of Numbers 31Ohm's Law Calculator 32Random Port Generator 33Time Zone Converter

12

SVG Tools

7 lessons

01SVG Optimizer 02SVG Placeholder Generator 03SVG to PNG 04SVG to Data URI 05SVG Blob Generator 06SVG Wave Generator 07SVG Pattern Generator

13

Project Files

6 lessons

01.gitignore Generator 02License Generator 03package.json Generator 04.editorconfig Generator 05Dockerfile Generator 06.env Example Generator

14

Image Editing

24 lessons

01Background Remover 02Change Image Colors 03Change Image Opacity 04Make Background Transparent 05Crop Image 06Rotate Image 07Flip Image 08Resize Image 09Image Upscaler 10Grayscale Image 11Blur Image 12Pixelate Image 13Add Border to Image 14Watermark Image 15Add Text to Image 16Circle Crop 17Join Images 18Image Splitter 19Image Color Picker 20EXIF Metadata Viewer 21Remove EXIF Data 22Image to Text (OCR)23Color Palette from Image 24Signature Maker

15

Image Converters

27 lessons

01Image Converter 02PNG to JPG 03PNG to WebP 04PNG to BMP 05PNG to GIF 06JPG to PNG 07JPG to WebP 08JPG to BMP 09JPG to GIF 10WebP to PNG 11WebP to JPG 12WebP to BMP 13WebP to GIF 14BMP to PNG 15BMP to JPG 16BMP to WebP 17BMP to GIF 18GIF to PNG 19GIF to JPG 20GIF to WebP 21GIF to BMP 22HEIC to JPG 23HEIC to PNG 24HEIC to WebP 25AVIF to JPG 26AVIF to PNG 27AVIF to WebP

16

Image Compression

11 lessons

01Compress Image 02Bulk Image Compressor 03Increase Image Size 04Compress to 10 KB 05Compress to 20 KB 06Compress to 50 KB 07Compress to 100 KB 08Compress to 200 KB 09Compress to 500 KB 10Compress to 1 MB 11Compress to 2 MB

17

Social Media

27 lessons

01SOME Image Resizer 02Resize to IG Post 03Resize to IG Portrait Post 04Resize to IG Landscape 05Resize to IG Story 06Resize to IG Profile Photo 07Resize to FB Post 08Resize to FB Cover Photo 09Resize to FB Profile Photo 10Resize to FB Story 11Resize to FB Event Cover 12Resize to X Post Image 13Resize to X Header 14Resize to X Profile Photo 15Resize to YT Thumbnail 16Resize to YT Banner 17Resize to YT Profile Photo 18Resize to LI Post Image 19Resize to LI Cover Banner 20Resize to LI Profile Photo 21Resize to LI Logo 22Resize to TT Video Cover 23Resize to TT Profile Photo 24Resize to PIN Pin 25Resize to PIN Profile 26Resize to WA Profile 27Resize to WA Status

18

Video Tools

11 lessons

01Video Trimmer 02Video Compressor 03Rotate a Video 04Flip a Video 05Crop a Video 06Resize a Video 07Change Video Speed 08Loop a Video 09MP4 to MP3 10Video to GIF 11Video Frame Extractor

19

Recorders & Device Tests

4 lessons

01Microphone Test 02Webcam Test 03Voice Recorder 04Screen Recorder

20

Meme Tools

3 lessons

01Meme Generator 02Demotivational Poster 03Video Meme GIF

21

PDF Tools

10 lessons

01Image to PDF 02Merge PDF 03Split PDF 04PDF to Image 05Extract Images from PDF 06Compress PDF 07PDF to Text 08Rotate PDF 09Organize PDF Pages 10Add Page Nr to PDF

22

GIF Tools

5 lessons

01GIF Maker 02GIF to Frames 03Add Text to GIF 04Change GIF Speed 05Reverse GIF

23

Audio Tools

8 lessons

01Audio Cutter 02Audio Joiner 03Change Audio Volume 04Change Audio Speed 05Loop an Audio File 06Audio Fade In and Out 07Audio to WAV Converter 08Audio Metadata Viewer

24

Audio Converters

8 lessons

01MP3 to WAV 02OGG to WAV 03M4A to WAV 04FLAC to WAV 05WAV to MP3 06OGG to MP3 07M4A to MP3 08FLAC to MP3

25

SEO Tools

5 lessons

01Favicon Generator 02Sitemap Generator 03JSON-LD Schema 04UTM Link Builder 05Hreflang Tag Generator

26

Security & Crypto

10 lessons

01AES Encrypt / Decrypt 02Key Pair Generator 03HMAC Generator 04JWT Signer 05Token Generator 06TOTP Generator and Validator 07ULID Generator 08Basic Auth Header Generator 09Bcrypt Hash Generator 10Password Strength Checker

27

CSV Tools

9 lessons

01Change CSV Separator 02Transpose CSV 03Find Incomplete CSV Records 04Insert a CSV Column 05Swap CSV Columns 06CSV to TSV 07CSV to XML 08CSV to YAML 09TSV to JSON

28

Lines & Lists

13 lessons

01Sort Lines 02Remove Duplicate Lines 03Find Duplicate Lines 04Shuffle Lines 05Reverse Line Order 06Join Lines 07Split Text 08Wrap Each Line 09Unwrap Lines 10Group Lines 11Find Most Common Lines 12Rotate Lines 13Truncate a List