Independent Online Tool Directory

Useful tools for small digital jobs.

A practical collection of focused online utilities for subtitles, image analysis, presentations, crochet design, gamertags, usernames and everyday creative work.

Browse the Collection Choose by Task

The Collection

Start with the job you need to finish.

Large software platforms are not always necessary. This directory organizes specialized online tools around specific tasks: creating subtitles, converting images to presentations, checking image properties, designing crochet patterns and generating online names.

Video & Subtitle Tools

MP4toSRT

Focused subtitle utilities for working with video, subtitle tracks and caption files without opening a full video-editing application.

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Subtitle tools

MP4 to SRT Converter Create SRT subtitle files from MP4 video. ↗ Subtitle Extractor Extract available subtitle tracks from video. ↗ Online SRT Editor Edit subtitle text and timing online. ↗ SRT to VTT Converter Convert subtitle files between common formats. ↗

Presentation Conversion

PNGtoPPT

Tools for turning screenshots, PNG files, JPG images and other visual assets into PowerPoint presentation workflows.

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Image to presentation tools

PNG to PPTX Converter Convert PNG files into PowerPoint format. ↗ JPG to PPT Converter Turn JPG images into presentation slides. ↗ Image to PowerPoint Converter Create a PowerPoint workflow from image files. ↗ Screenshot to PPT Turn screenshots into PowerPoint content. ↗

Image Analysis & Calculators

ImageGauge

Inspect image dimensions, resolution, DPI, aspect ratio and other useful properties, or use dedicated calculators for pixels, physical dimensions and display density.

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Image inspection

Image Size Checker Check width, height, dimensions and file details. ↗ Image Resolution Checker Check pixel resolution and megapixel information. ↗ Aspect Ratio Finder Find the exact and closest common image ratio. ↗ Image Aspect Ratio Calculator Calculate ratios using image width and height. ↗ DPI Checker Inspect DPI metadata and image dimensions. ↗ DPI Calculator Calculate DPI, pixels and physical print size. ↗ PPI Calculator Calculate pixels per inch and screen pixel density. ↗ Pixels to Inches Calculator Convert pixel dimensions into inches or centimeters. ↗ Print Size Calculator Estimate image print dimensions from pixels and DPI. ↗

Crochet Design Tools

CrochetGridLab

Design grid-oriented crochet projects using specialized pattern, chart and graph generators for different crochet workflows.

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Crochet pattern tools

Crochet Pattern Maker Build visual crochet patterns from your ideas. ↗ Crochet Chart Generator Create crochet charts for grid-based projects. ↗ Crochet Graph Generator Generate visual crochet graphs and grids. ↗ Mosaic Crochet Pattern Generator Create grids for mosaic crochet projects. ↗ Filet Crochet Pattern Generator Build chart-style patterns for filet crochet. ↗

Gaming Names & Usernames

NickMint

Generate gamertags, platform-specific usernames and creative online identity ideas for gaming, social accounts and digital communities.

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Name generators

Xbox Gamertag Generator Generate naming ideas for Xbox profiles. ↗ Roblox Username Generator Generate username ideas for Roblox accounts. ↗ Aesthetic Username Generator Create aesthetic-style username ideas. ↗ Minecraft Name Generator Generate creative names for Minecraft profiles. ↗

Choose by Task

Which tool should you use?

Start from the result you need rather than the name of a particular application.

Create subtitles from video

Use the MP4 to SRT Converter when you need a subtitle file from MP4 video. For existing subtitle tracks, try the Subtitle Extractor .

Turn images into slides

The Image to PowerPoint Converter is useful for general image workflows, while the PNG to PPTX Converter focuses specifically on PNG files.

Check an image before publishing

Start with the Image Size Checker for dimensions and file information, or use the Image Resolution Checker when pixel resolution is the main concern.

Prepare images for print

Check embedded metadata with the DPI Checker , calculate physical dimensions with the Print Size Calculator , or convert pixels to inches .

Work with image ratios

Upload an existing image to the Aspect Ratio Finder , or calculate width and height relationships using the Image Aspect Ratio Calculator .

Design a crochet grid

Start with the Crochet Pattern Maker , or choose a more specific Crochet Chart Generator workflow.

Find a gaming username

Use the Xbox Gamertag Generator for Xbox naming ideas, or try the Aesthetic Username Generator when you want a broader visual style.

FAQ

Quick answers.

What types of online tools are listed here?

The directory currently focuses on video subtitles, image and presentation workflows, image analysis and calculations, crochet pattern design, gamertags and username generation.

Which tool should I use for subtitle files?

MP4toSRT includes separate tools for converting MP4 video to SRT subtitles, extracting subtitle tracks and editing SRT files.

Which tools can check image information?

ImageGauge includes dedicated tools for image size, resolution, DPI, aspect ratio, PPI, print size and pixel-to-inch calculations.

Can I convert screenshots or images into PowerPoint?

PNGtoPPT provides focused conversion tools for PNG, JPG, screenshots and general image-to-PowerPoint workflows.

Are there tools for different crochet pattern types?

CrochetGridLab includes pattern, chart, graph, mosaic and filet-oriented crochet design tools.

Can I generate platform-specific gaming names?

NickMint provides targeted name generators for gaming and online platforms including Xbox, Roblox and Minecraft, as well as broader username styles.