Stack Online Tools Alternatives & Competitors

10015.io is an all-in-one toolbox offering many tools from various categories.

Key 10015.io features:

User-Friendly Interface Wide Range of Tools No Registration Required Cross-Platform Support

Convenient and Easy-to-use Free Online Tools Collection.

OpenAI-compatible API gateway for GPT, Claude, Gemini, DeepSeek, Qwen, Kling and more. One key, one endpoint, one bill. Pay per token, no lock-in.

Key Thalam features:

OpenAI-Compatible Endpoint One Key for Many Models Text, Image and Video in One API Per-Key Spend Caps

Try for free freemium

Free browser-based tools. URL encode/decode, JSON formatter, Base64, and more. 100% private - your data never leaves your browser.

Key ToolsOnline.run features:

Free to Use No Installation Required Variety of Tools Simple and Clean Interface

Imagine having 100 tools across various uses in one website.

Key Pine Tools features:

Variety of Tools Accessibility User-Friendly Interface No Installation Required

Clean, transform, and validate your data with our secure, browser-based tools. No logs, no tracking, just high-performance utilities.

Key All Over Tools features:

Diverse Product Range User-Friendly Website Competitive Pricing Customer Support

free

Premium online PDF tool set.

Key iLovePDF features:

User-Friendly Interface Wide Range of Tools Free Version Available Cloud Integration

Free, privacy focused, browser based tools to ease daily tasks: Tools for AI, Creativity, Conversion, Finance, Productivity, Utility and more. Your data stays local.

Key Online Tools X features:

AI Photo Rater AI Image Classifier AI model life cycle Image & Photo Editor

convert anything to anything - more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats supported.

Key CloudConvert features:

Versatility User-Friendly Interface Cloud Integration API Access

Free conversion online of many type of documents (images, text, video, audio...

Key Zamzar features:

Ease of Use Supports Multiple Formats No Software Installation Needed Fast Conversion Speed

Pure front-end, zero data storage—fully offline, privacy-first, lightning-fast, and supports international languages.

Key toolx.site features:

Multi-tool platform Free to use No installation required Simple interface

Free developer & everyday tools in your browser — JSON formatter, regex tester, image compress, PDF tools, QR codes. No sign-up, runs locally.

Key MU Tools features:

Free Online Utilities Wide Range of Tools No Registration Required Browser-Based Convenience

free

Visualizer, editor and debugger for regex. Powerful regex debugger. You can see every matching steps of regex with regexdev. You can create breakpoints for every matching. You can debug a regex with multiple windows together.

Key Regex dev features:

Specialized Focus Practical Testing Tools Educational Resource Accessibility

free

ToolsGram: All-in-one free web tools! Edit images, transform text, use advanced calculators & unit converters. Fast, reliable, and professional digital solutions.

Key ToolsGram features:

Core Function Key Tools Language Support Pricing & Access

free