
DevToys
DevToys for Mac
CyberChef
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DevKnife
Textbuddy
CodeSwissKnife
SafeUtils: Native MacOS, Linux and Windows desktop application with 110+ carefully crafted tools for yours and your teams everyday work with sensitive data in various formats.

10015.io
FreeToolkit
FreeToolPoint
PotatoTools
ToolMasterApp.in
ToolsOnline.run
Cryptii
200+ free browser tools, most under 40 KB. Lightweight, private and easy to use, with no signup, no intrusive ads and no server-side processing.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | safeutils.com | appergo.com |
| Pricing | ||
| Platforms | ||
| Company | Startup from Poland · 1 - 9 employees · 2024 | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


SafeUtils ASCII to Binary ASCII to Hex Barcode Generator Base64 Decode Base64 Encode Binary to ASCII CSV to JSON Case Converter Color Picker Decimal to ASCII Diff Checker HTML Formatter HTML Preview HTML to Markdown Hex to ASCII ID Generator JSON Formatter JSON to CSV JSON to XML JSON to YAML JWT...
AppErgo is an independent collection of 200+ free browser-based tools covering text, codes and puzzles, conversions, dates and time, audio, games, random generators, web development and everyday utilities. Available in 10 languages, the website is designed for quick use on desktop and mobile,...
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


No analysis of SafeUtils yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing SafeUtils and AppErgo.
SafeUtils's answer
Tauri, Rust, React.js, TypeScript, Vite
AppErgo's answer:
AppErgo is primarily built with static HTML, CSS and vanilla JavaScript. Its pages are generated through a custom administration system based on PHP and MySQL, while the public tools rely on standard browser technologies such as SVG, Canvas and the Web Audio API. All processing takes place directly in the browser, without external APIs or remote processing services.
SafeUtils's answer
Software Engineers, Programmers, Data Analysts
AppErgo's answer:
AppErgo is designed for students, teachers, developers, creators, office workers, puzzle enthusiasts and everyday users who need a practical online tool without creating an account or navigating a complicated service. Its wide range of tools supports both occasional tasks and regular use on desktop or mobile.
SafeUtils's answer
Much more tools than any competition & supports all mayor platforms.
AppErgo's answer:
AppErgo is built for people who want to open a tool, complete a task and move on. It combines more than 200 fast, lightweight and responsive tools with clear interfaces and local browser processing. There is no signup, no intrusive advertising and no unnecessary upload of personal data. The tools are available directly on desktop and mobile, without installing anything.
SafeUtils's answer
More tools, all mayor platforms, performance, beautiful UI, developer experience.
AppErgo's answer:
AppErgo brings together more than 200 browser tools in one fast, lightweight and privacy-friendly toolbox. Every tool is 100% free, works without an account, runs directly in the browser, avoids intrusive advertising, and is fully responsive on both desktop and mobile.
SafeUtils's answer
Hey, it's Wiktor 👋. I built and now happily maintain the SafeUtils app for two reasons:
I decided to equip other developers with a missing solution to their everyday operations.
AppErgo's answer:
AppErgo was created in France in 2026 as an independent project developed by a solo creator. Its name combines “App”, for applications and online tools, with “Ergo”, reflecting a focus on ergonomics, simplicity and ease of use. The project started with a small collection of practical tools and gradually grew into a toolbox of more than 200 tools covering text, codes and puzzles, dates, audio, games and everyday tasks.
AppErgo's answer:
AppErgo is primarily designed for individual users rather than named enterprise customers. Its audience includes students, teachers, developers, creators, puzzle enthusiasts and anyone looking for a quick browser-based tool.
Share your experience with using SafeUtils and AppErgo. For example, how are they different and which one is better?
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100+ free online tools: JSON formatter, Base64 encoder, UUID generator, regex tester, age calculator, color picker, unit converter & more. Fast, private — runs entirely in your browser. No login.
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