# Show HN: Zlvox – 25 Free Developer Tools (AI, JSON, PDF) with Zero Tracking

> Source: <https://zlvox.com/>
> Published: 2026-07-19 05:02:30+00:00

#
Raw Power.

**Zero Bloat.**

*Maximum Speed.*

The definitive platform for high-performance developer utilities. Free online tools for PDFs, images, QR codes & data generation — no sign-up, zero data retained.

## 15+ *Premium* Utilities

Enterprise-grade tools engineered for maximum performance. Zero bloat, military-grade privacy, sub-second execution.

[
HOT
NEW
Reddit Search Engine
](/tools/reddit-search)

Advanced social listening tool for Reddit. Search multiple keywords, filter by subreddit and time, and use Gemini AI for smart replies and summaries.

[
HOT
JSON Flattener Online Free
](/tools/json-slayer)

Free online JSON flattener. Flatten deeply nested JSON instantly. Export CSV or Excel. No signup.

[
PREMIUM
Steganography
](/tools/steganography)

Military-grade XOR-256 encrypted message hiding inside images. Invisible to human eyes, undetectable by algorithms.

[
FREE
Image Converter
](/tools/image-converter)

Blazing-fast format converter with quality controls and batch processing. No uploads — canvas-based processing.

[
FREE
QR Generator
](/tools/qr-generator)

Industrial-strength QR codes with custom branding and high-resolution exports. URLs, vCards, WiFi and more.

[
FREE
PDF Suite
](/tools/pdf-suite)

Complete PDF toolkit: merge, split, compress, encrypt, extract pages. Handle documents up to 100MB with ease.

[
FREE
Password Manager
](/tools/password-manager)

Free browser password manager. Generate strong passwords, save locally. Zero server storage, no account needed.

[
NEW
HTML CSS to MP4 Video Recorder Free
](/tools/html-to-video)

Record HTML and CSS animations as MP4 video at 60fps. Perfect for UI demos and portfolio clips. Free.

[
FREE
Finance Calc
](/tools/finance-calculator)

Advanced financial calculator with compound interest, loan amortization, investment projections and visual charts.

[
FREE
SEO Meta Tag Checker Free Online
](/tools/meta-analyzer)

Free SEO meta tag checker. Analyze OG tags, Twitter Cards and schema from any URL. Get instant SEO tips.

[
FREE
Age Calculator
](/tools/age)

Precise age breakdown by years, months, days, hours. Future projections, milestone tracking, timezone support.

[
NEW
Code Snippet to Video Reels Generator Free
](/tools/code-to-video)

Convert code to animated video for Reels and Shorts. Syntax highlighting, typing animation, 4K export. Free.

[
HOT
v2.0
Dummy Data Generator Online
](/tools/data-forge)

Generate millions of rows of fake dummy data free. Export to CSV, JSON or SQL. No signup needed.

[
AI
Anime Finder
](/tools/anime-finder)

AI-powered anime discovery. Find shows by plot, themes, or vibes. Neural recommendations with MAL integration.

## Built for

*developers*

who care.

No bloat, no sign-up walls, no privacy invasion. Just fast, reliable tools that respect your time and your data.

[Read our manifesto →](/manifesto)

## Latest *Intelligence*

[All articles](/blog)

[
AI
Why I Stopped Using Random Online AI Tools in 2026 (And Built Privacy-First Alternatives Like ZLVOX)
Read
](/blog/why-i-stopped-using-random-online-ai-tools-2026)

Discover why I stopped relying on random online AI tools in 2026 and chose to build privacy-first alternatives like ZLVOX. Learn how secure AI tools protect your data, improve productivity, and offer a more transparent experience for developers, freelancers, students, and businesses.

[
Tools
Why I Stopped Pasting API Keys Into Random Online Tools (And Built My Own Developer Toolkit)
Read
](/blog/why-i-stopped-pasting-api-keys-into-random-online-tools)

Most developers have pasted API keys, tokens, or sensitive data into random online tools at some point. Here's why I stopped doing it, the security risks involved, and how that decision led me to build my own privacy-focused developer toolkit, ZLVOX.

[
Tech
TensorWave Raises $350M at $1.55B Valuation: What It Means for AMD and the AI Industry
Read
](/blog/tensorwave-raises-350m-amd-ai-infrastructure)

TensorWave just raised $350M at a $1.55B valuation in a round co-led by AMD itself. Here's why AMD is betting big on an all-AMD AI cloud — and what it means for NVIDIA's grip on the AI infrastructure market.

## Sell anything,

*directly* on

WhatsApp.

Create your free online store in minutes. Add products, share your unique link, and start receiving orders straight to your WhatsApp — no coding, no monthly fees, no middlemen.

## Ready to *supercharge*

your workflow?

Stop relying on sluggish, bloated web tools. Access our entire arsenal of high-performance utilities instantly — free, forever.