100% Client-Side Processing

Engineering Utilities
Simplified.

A privacy first suite of tools for data manipulation. No server logs, no tracking just pure browser based efficiency.

Secure Architecture

Work on Your Code
Without Leaks.

Enterprises often block online tools due to intellectual property risks. We solve this by ensuring no data ever leaves your computer. All logic is executed locally within your own browser session.

Zero Server Calls

Your data stays in your browser. We have no backend for tool processing.

Privacy_Security.js
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const toolCore = {

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"mode": "offline_first",

03

"execution": "local_machine",

04

"remote_api": false,

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"telemetry": "none",

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}

Security CheckPassed
Local Compute Verified
Community Driven

One Hub.
Zero Distraction.

DevSwiftTools was born out of a simple frustration: the tools developers need every day are scattered across a dozen sites, many of which are cluttered with ads or track your data.

We are building a single, secure environment where you can find everything you need. By gathering resources and interview prep in one place, we save you time and protect your privacy.

Your Identity is Protected

All feedback and interview experiences shared here are completely anonymous. We ensure your data is scrubbed of identifying markers so you can help the community without risking your employer relationship.

Help us improve

Share Interview Experience

Help fellow developers crack the hiring bars at top tech companies.

Suggest a New Tool

Is there a utility you use daily? Tell us and we'll build a local-first version.

Built for the community

Formatters

Structure and beautify raw data.

Explore Category
JSON Formatter
XML Formatter
YAML Lint
SQL Beautifier

Security & Auth

Cryptographic data generation.

Explore Category
UUID v4
Password Gen
Schema Data Gen
SHA-256
Base64

Transformation

Protocol and case shifting.

Explore Category
JSON - CSV
Markdown - HTML
JSON - SQL
Base64 to Img

Open Knowledge Hub

Expert technical articles and real-world interview insights.

Engineering Blogs

New Blogs Every Week
SystemsExpert

System Design for Senior Engineers

A deep dive into load balancing and consistency models used at scale.

Read Full Article
SecurityAdvanced

The Zero Knowledge Frontend

How to build web tools that never see or touch user data.

Read Full Article
ArchitectureIntermediate

Modern API Versioning

Why header based versioning is becoming the industry standard.

Read Full Article
Active Progress

Building Tools
You Need.

We're adding new blogs every single week. Our team is constantly monitoring developer needs to ensure our toolbelt is always ahead of the curve.

Resume Builder

Developing

A local first resume creator. Craft your professional story using Markdown without uploading personal data.

Completion Status: 65%

Crontab Generator

Visual editor for schedules.

Color Palette Tool

Convert HEX, RGB, and HSL.