I built 21 free dev tools that never upload your data
A developer created ToolsStack, a collection of 21 free tools designed for web developers. These tools operate entirely in the browser, ensuring that no data is uploaded or tracked. The suite includes utilities for formatting JSON, encoding Base64, and generating UUIDs, among others.
- ▪ToolsStack features 21 developer tools that run 100% in the browser.
- ▪The tools include a JSON formatter, Base64 encoder, and GIF maker.
- ▪No signup, ads, or tracking is required to use the tools.
2 outlets in our directory ran this story, first to last over 3 hours. All of the coverage we found sits in one bucket: centre. That one-sidedness is itself worth noticing.
DEV.to (Top) files mainly under programming. We currently carry 4,924 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
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Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | DEV.to (Top) |
| Canonical URL | https://dev.to/liljonjohnsoncrypto/i-built-21-free-dev-tools-that-never-upload-your-data-p56 |
| Publication time | Wed, 03 Jun 2026 02:22:18 +0000 |
| Retrieval time | 2026-06-03T02:41:48.967Z |
| Last seen | 2026-06-03T02:41:48.967Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | A07fjRF40JT- · 2 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3965560) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } liljonjohnson-crypto Posted on Jun 3 I built 21 free dev tools that never upload your data #webdev #productivity #tools #javascript Every developer needs quick tools — JSON formatter, Base64 encoder, JWT decoder, regex tester, PDF compressor, GIF maker. But I always hesitated to paste sensitive data into random tool sites. Where does that data go? So I built ToolsStack — 21 tools that run 100% in your browser.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at DEV.to (Top).
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