Backend-Heavy Full Stack Engineer || OSS Contributor || Indie Hacker || Actively looking for full stack/Backend roles

github

Sumit Jha • Peerlist

<h3>A Comprehensive Suite of Free Online Developer Tools</h3>
DevTooKit offers a robust collection of 91 free online developer tools designed to streamline your workflow. These tools are built with a local-first approach, meaning all processing happens directly in your browser, ensuring your data remains private and secure. They function offline as Progressive Web Apps (PWAs), allowing you to work without an internet connection.
<ul>
<li>Extensive Toolset: Access a wide array of tools including JSON formatters, Base64 encoders/decoders, JWT decoders, regex testers, UUID generators, hash calculators, cron parsers, and various CSS generators.</li>
<li>Privacy-Focused: Your sensitive data, such as JSON payloads, tokens, secrets, and files, are never uploaded to any servers. All operations are performed locally.</li>
<li>Offline Functionality: Install DevTooKit as a PWA to use the tools even when you're offline.</li>
<li>No Account Required: Get started immediately without the need for registration or login.</li>
<li>Diverse Categories: Tools are organized into categories like Formatters, Converters, Encoders &amp; Decoders, Hashing &amp; Crypto, Text &amp; Code, Reference, Networking &amp; API, Testing &amp; QA, and Advanced utilities.</li>
<li>Key Features:
<ul>
<li>91 local browser tools</li>
<li>9 distinct categories</li>
<li>Works offline as a PWA</li>
<li>No upload of private payloads</li>
<li>No account or paywall</li>
</ul>
</li>
</ul>
DevTooKit is ideal for developers seeking efficient, secure, and accessible tools for everyday coding tasks.

DevTooKit

<h3>Private PDF Tools in Your Browser</h3>mypdf.space offers a comprehensive suite of 67 PDF tools that operate entirely within your browser, ensuring your files never leave your device. This means enhanced privacy and security for all your document processing needs. The platform is free to use, requires no sign-up, and imposes no watermarks on exported files.<ul><li>Core Functionality: Process PDFs locally for tasks such as scanning and redacting Personally Identifiable Information (PII), confidential sending, encryption, merging, and compression.</li><li>Extensive Toolset: Includes tools for organizing (merge, split, rotate, reorder, delete, extract, reverse, n-up, booklet, mix, scale, resize, flip, mirror, insert blank page), optimizing (compress, flatten forms, grayscale, invert colors), annotating (page numbers, watermark, header/footer, highlight, add image, whiteout, Bates numbering), editing (redact, fill &amp; sign, crop, edit metadata, add text overlay), extracting (text, images, attachments, PDF to HTML, OCR PDF), viewing (viewer, search, compare, info), converting (PDF to JPG/PNG, images to PDF, text to PDF, Markdown to PDF, PDF to Markdown, PDF to JSON, HTML to PDF, CSV to PDF, PDF to ZIP, Word to PDF, PDF to Word, Excel to PDF, PDF to Excel, PowerPoint to PDF, PDF to PowerPoint, Scan to PDF), and security (auto-redact PII, privacy scanner, fingerprint, remove metadata, encrypt, unlock, confidential send, deep clean, hidden content auditor, job application packet, sanitize for AI).</li><li>Privacy Focused: All operations are performed client-side, eliminating the need for file uploads to external servers. This is ideal for sensitive documents.</li><li>Offline Access: Once installed as an app, many tools remain functional even without an internet connection.</li><li>Format Conversion: Supports conversion between PDF and various formats including Word (.docx), Excel (.xlsx), PowerPoint (.pptx), JPG, PNG, HTML, Markdown, JSON, and ZIP.</li><li>Advanced Features: Includes Optical Character Recognition (OCR) for scanned documents, PII scanning and redaction, metadata removal, password protection, and a confidential send pipeline.</li></ul>mypdf.space is designed for users who need powerful PDF manipulation capabilities without compromising privacy or security.

myPDF

<h3>Key Features:</h3><ul><li>Checks live pages for launch issues including titles, share previews, headings, and images.</li><li>Free core tools for essential checks.</li><li>Pro version unlocks advanced features like broken link detection, a comprehensive score, and client-ready exports.</li><li>Works directly on the live tab, requiring no separate QA stack or account for free users.</li><li>Provides a side panel interface to list issues and suggest fixes.</li><li>Offers white-label PDF and Markdown reports for freelancers and agencies, including custom logos and branding.</li><li>Includes before/after snapshots for handoff proof and multi-page crawls (up to 50 pages) with aggregate CSV export.</li><li>Checks for search readiness, broken links, dead anchors, overlays, and staging vs. production comparison.</li></ul>Shipcheck is designed for indie hackers, freelancers, and agencies to ensure a smooth launch and professional client handoffs. It streamlines the quality assurance process by identifying critical issues directly on the live page, allowing for quick fixes before deployment. The Pro version enhances this by providing detailed, branded reports and advanced checks, making it an indispensable tool for shipping polished web projects with confidence.

Shipcheck

ArchitectAI is a chat-driven whiteboard for software architecture. You write a plain request — stack preferences, constraints, product goal — and it returns a structured blueprint, then renders that blueprint as diagram frames on an Excalidraw canvas.<ul><li>System diagrams — services, data stores, auth, and how requests move between them.</li><li>Flow and sequence views — upload pipelines, job runners, webhook paths, UI → API → DB.</li><li>Build chapters — ordered steps with concrete commands next to the matching diagram.</li></ul>

ArchitectAI

CodeBattle

IssueFinder is a powerful tool designed to help developers, especially beginners, discover beginner-friendly issues on GitHub. This tool is essential for those looking to contribute to open source projects but are unsure where to start. By leveraging GitHub's vast repository of projects, IssueFinder filters and presents issues that are suitable for newcomers, making it easier to find tasks that match their skill level. Key features include an intuitive search interface, customizable filters to refine issue selection, and direct links to GitHub issues for seamless navigation. Whether you're a seasoned developer or just starting, IssueFinder provides a streamlined way to engage with the open source community and enhance your coding skills.