A Swiss Army knife for developers.
31.8k
Stars
1.8k
Forks
335
Open issues
30
Contributors
AI Analysis
DevToys is a cross-platform desktop application that bundles 30+ small utilities for common developer tasks—JSON/YAML conversion, encoding/decoding, formatting, hash generation, regex testing, and more. It serves developers who want quick, offline access to frequently-needed utilities without visiting untrustworthy websites. The extensible architecture allows users to develop and share custom tools, making it valuable for professional developers and DevOps practitioners across Windows, macOS,...
Inferred from signals mentioned in the README (tests, CI, type safety) — not a review of the actual code.
AI's overall editorial judgment — not an average of the bars above, can weigh other factors too.
DevToys 2.0: A local-first Swiss Army knife for developers with 30+ built-in tools and extension support
DevToys is a free, offline desktop application targeting developers who need quick access to common tasks — JSON formatting, Base64 encoding, JWT decoding, regex testing, password generation, and more — without relying on potentially untrustworthy web services. Built primarily for Windows (also Linux, and a separate macOS fork exists), it bundles ~30 tools in version 2.0 with a plugin/extension system for custom tools. Its audience is individual developers seeking a fast, private, clipboard-aware toolbox. With 31K+ stars, Microsoft Store ratings, and an active contributor base, adoption appears solid among Windows developers.
Created in September 2021 as a Windows-only WinUI app. Version 2.0 marked a significant rewrite adding Linux support, an extension model, and expanded toolset. A separate macOS port (DevToysMac) exists as a community project.
Initial growth was driven by Hacker News and Reddit coverage in late 2021, resonating with developers tired of pasting sensitive data into online tools. Microsoft Store visibility helped Windows-focused discovery. Growth has stabilized at a modest but steady pace (37 stars/week as of mid-2026), suggesting an established but slowly growing user base rather than viral momentum.
Microsoft Store presence with a visible 5/7/2024 rating screenshot (exact score not readable from metadata) provides indirect adoption evidence. 31,671 stars with 1,755 forks is a meaningful signal for a desktop utility. Crowdin localization activity suggests international users. No published download or install count data is available in the README excerpt, but the Microsoft Store distribution channel implies verifiable install metrics exist somewhere.
Likely a C#/.NET desktop application using WinUI/MAUI or similar cross-platform UI framework, given Windows and Linux support as of v2.0. The extension/plugin system appears to be a first-class design concern based on README documentation references. Smart Detection (clipboard-aware tool selection) suggests a modular tool registry pattern. Exact architecture is uncertain from README alone.
Not documented in README
Last push was February 25, 2026 — approximately 4 months before the current date of June 2026. This suggests active but not rapid-cycle maintenance. The Repobeats analytics image and contrib.rocks contributor visualization indicate ongoing community contribution. The gap since last push warrants attention but does not indicate abandonment for a mature desktop tool.
ADOPT IF: you are a Windows or Linux developer who frequently uses conversion, formatting, or encoding tools and values keeping sensitive data (tokens, credentials) off public websites. AVOID IF: you work primarily on macOS (the main repo lacks native macOS support), need deep/specialized tool functionality beyond quick transforms, or prefer browser-based tools accessible from any machine. MONITOR IF: you are interested in the extension ecosystem's maturity — the plugin model could significantly expand utility if the community builds high-quality extensions.
Independent dimensions
Mainstream potential
5/10
Technical importance
4/10
Adoption evidence
6/10
- Last push ~4 months ago may indicate a slowdown in active development; if the core team reduces involvement, the extension ecosystem may not mature as hoped.
- macOS support depends on a separate community fork (DevToysMac), creating fragmentation and an inconsistent cross-platform story.
- The tool category (developer utilities) is increasingly served by AI-assisted IDEs and copilots, which may reduce demand for standalone converters/formatters.
- Extension ecosystem quality and discoverability are unproven — the README references an extension system but provides no evidence of a thriving third-party plugin marketplace.
- Narrow desktop-only distribution limits reach compared to web-based alternatives that work universally without installation friction.
DevToys is likely to remain a well-regarded niche utility for Windows developers. Moderate, stable adoption seems more probable than significant growth acceleration given the mature state of the category and competition from web tools and AI assistants.
Newsletter
Get analyses like this every Monday
Free weekly digest of the most interesting open-source discoveries.
Languages
Information
- Website
- https://devtoys.app/
- Language
- C#
- License
- MIT
- Last updated
- 5mo ago
- Created
- 58mo ago
- Analyzed with
- anthropic/claude-haiku-4-5
Stars over time
Contributors over time
Top 100 contributors only — repos with more will plateau at 100.
Open issues
Similar repos
BeyondDimension/SteamTools
Watt Toolkit is a cross-platform, open-source multi-functional Steam utility...
| Repository | Stars | Week Δ | Language | Score | Updated |
|---|---|---|---|---|---|
|
DevToys-app/DevToys
this
|
31.8k | +36 | C# | 8/10 | 5mo ago |
 CorentinTh/it-tools
|
39.7k | — | Vue | 8/10 | 4w ago |
|
BeyondDimension/SteamTools
|
26.1k | — | C# | 7/10 | 4mo ago |
 microsoft/PowerToys
|
136.3k | — | C | 9/10 | 4h ago |
 BigPizzaV3/CodexPlusPlus
|
24.3k | — | Rust | 7/10 | 10h ago |
Browser-based alternative with similar utility coverage. it-tools has slightly more stars (39K) and works on any OS/browser but requires a network or self-hosted instance. DevToys wins on offline-first, clipboard integration, and native desktop UX; it-tools wins on portability and zero-install access.
PowerToys (135K stars) covers some overlapping territory (regex preview, color picker) but is a broader Windows system utility suite rather than a developer-focused converter/formatter collection. They are largely complementary tools rather than direct competitors.
Shares C# lineage and desktop tooling category but targets Steam/gaming workflows specifically. Not a meaningful competitor to DevToys' developer toolbox focus.
DevToys' primary competitive framing is against these web tools. It wins on privacy, offline access, and speed. It loses on discoverability and keeping pace with web tools' specialized depth (e.g., regex101's explanation features).
21K stars but limited context available. Likely a different audience or scope. Insufficient public information to make a detailed comparison with confidence.
