30 Tutorials

Step-by-Step Tutorials

Learn how to get the most out of OnlineTools4Free with practical, step-by-step guides for every skill level.

All (30)Beginner (16)Intermediate (11)Advanced (3)

Convert 100 HEIC Photos to JPG in Minutes

Learn how to batch convert HEIC photos from your iPhone to JPG format using OnlineTools4Free. No uploads, fully private.

Read tutorial

Beginner3 minutes

Compress Any PDF Under 5MB for Email

Step-by-step guide to compress large PDFs under 5MB for email attachments using OnlineTools4Free. Free, private, no uploads.

Read tutorial

Beginner5 minutes

Create Instagram Carousel Images (1080x1080)

Learn how to resize and crop images to the perfect 1080x1080 Instagram carousel size using OnlineTools4Free.

Read tutorial

Beginner3 minutes

Merge Resume and Cover Letter into One PDF

Combine your resume and cover letter into a single PDF file for job applications using OnlineTools4Free.

Read tutorial

Beginner5 minutes

Create a Wi-Fi QR Code for Your Business

Generate a QR code that lets customers connect to your Wi-Fi instantly by scanning with their phone.

Read tutorial

Intermediate10 minutes

Optimize All Website Images in Bulk

Compress and convert all your website images to optimal formats for faster page loading. Step-by-step bulk optimization guide.

Read tutorial

Beginner5 minutes

Extract Podcast Audio from Video Recording

Extract audio from a video recording to create a podcast episode. Convert video to MP3 or other audio formats.

Read tutorial

Intermediate8 minutes

Create Professional Device Mockups for App Store

Generate professional iPhone, iPad, and MacBook mockups for your app store screenshots using OnlineTools4Free.

Read tutorial

Intermediate5 minutes

Format and Debug API JSON Responses

Learn how to format, validate, and debug messy API JSON responses using the OnlineTools4Free JSON formatter.

Read tutorial

Intermediate10 minutes

Build a Complete Color Scheme for Your Website

Create a harmonious color scheme with primary, secondary, and accent colors using the OnlineTools4Free color tools.

Read tutorial

Beginner5 minutes

Generate All Favicon Sizes for Your Website

Create all required favicon sizes (16x16 to 512x512) from a single image for your website, including Apple touch icons.

Read tutorial

Beginner3 minutes

Trim Video for TikTok (Under 60 Seconds)

Trim and cut your video to fit TikTok time limits using the OnlineTools4Free video trimmer. Free, no watermark.

Read tutorial

Intermediate8 minutes

Create Animated GIF from Screen Recording

Convert a screen recording into an animated GIF for documentation, tutorials, or social media sharing.

Read tutorial

Advanced5 minutes

Decode JWT Tokens to Debug Authentication

Learn how to decode and inspect JWT tokens to debug authentication issues in your application.

Read tutorial

Intermediate10 minutes

Set Up Perfect Meta Tags for Next.js

Generate and implement perfect meta tags, Open Graph, and Twitter cards for your Next.js application.

Read tutorial

Intermediate8 minutes

Test and Validate Regex Patterns Step by Step

Learn how to build, test, and validate regular expressions using the OnlineTools4Free regex tester.

Read tutorial

Beginner5 minutes

Create a Reusable Invoice Template

Build a professional invoice template that you can reuse for all your clients using the OnlineTools4Free invoice generator.

Read tutorial

Beginner3 minutes

Remove EXIF Data from Photos for Privacy

Strip location, camera, and personal metadata from photos before sharing them online to protect your privacy.

Read tutorial

Advanced10 minutes

Generate Schema Markup for Google Rich Results

Create JSON-LD schema markup for Google rich results including FAQ, HowTo, Article, and Product schemas.

Read tutorial

Intermediate8 minutes

Batch Convert Images to WebP for Faster Loading

Convert all your website images to WebP format in bulk for 25-35% smaller file sizes and faster page loading.

Read tutorial

Beginner5 minutes

Create Beautiful CSS Gradient Backgrounds

Learn how to use the Gradient Generator to create stunning CSS gradient backgrounds for your website. From simple two-color gradients to complex multi-stop designs.

Read tutorial

Intermediate8 minutes

Build a Responsive CSS Grid Layout

Use the CSS Grid Generator to create responsive page layouts visually. Define rows, columns, gaps, and template areas, then copy production-ready CSS.

Read tutorial

Beginner4 minutes

Generate Perfect CSS Box Shadows

Use the Box Shadow Generator to create subtle, realistic, or dramatic shadow effects for your UI elements. Adjust blur, spread, offset, and color visually.

Read tutorial

Beginner10 minutes

Create a Professional Resume in 5 Minutes

Use the Resume Builder to create a clean, ATS-friendly resume from scratch. Choose a template, fill in your details, and download a polished PDF.

Read tutorial

Beginner7 minutes

Edit Photos in Your Browser (No Software)

Learn how to crop, resize, adjust brightness/contrast, apply filters, and export photos using the browser-based Photo Editor. No Photoshop needed.

Read tutorial

Beginner3 minutes

Create Memes from Scratch

Use the Meme Generator to create memes with custom text, popular templates, or your own images. No watermarks, no sign-up.

Read tutorial

Intermediate10 minutes

Test Regex Patterns Step by Step

Learn to write and test regular expressions interactively. See matches highlighted in real-time, understand capture groups, and debug complex patterns.

Read tutorial

Advanced8 minutes

Decode and Analyze JWT Tokens

Learn to decode JWT (JSON Web Tokens), inspect header/payload claims, check expiration times, and debug authentication issues.

Read tutorial

Intermediate6 minutes

Convert Between JSON, YAML, and XML

Learn to convert data between JSON, YAML, and XML formats using OnlineTools4Free. Handle API responses, configuration files, and data migration.

Read tutorial

Beginner5 minutes

Beautify and Minify Code (CSS, HTML, JS, SQL)

Learn to format messy code for readability and minify production code for performance. Covers CSS, HTML, JavaScript, and SQL formatting.

Read tutorial