Free Tools That Just Work

Professional-grade online tools for developers and businesses. No signup, no ads, no limits on basic features. Open source and free forever.

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14
Free Tools
0
Ads
100%
Client-Side

All Tools

Free to use
New
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InvoiceFlow

Create professional invoices in seconds. Add line items, taxes, discounts. Export as PDF. Save templates for recurring clients.

Free PDF Export Business Pro Templates
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QRForge

Generate custom QR codes for URLs, WiFi, vCards, and more. Customize colors, download as PNG/SVG. Batch generation available.

Free PNG/SVG Custom Colors Pro Batch
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JSONFlow

Format, validate, and beautify JSON instantly. Tree view, syntax highlighting, search, and minification. Developer essential.

Free Validate Developer Pro Diff
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PassForge

Generate unbreakable passwords with full control. Strength meter, entropy display, passphrase mode, and breach checking.

Free Secure No Storage Pro Vault
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ChromaKit

Generate harmonious color palettes with color theory modes. Lock colors, preview on mock UI, export as CSS/Tailwind/SCSS. WCAG contrast checker built-in.

Free CSS Export Design
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MarkFlow

Write and preview Markdown in real-time. Split-pane editor with toolbar, syntax highlighting. Export as HTML or download as .md file.

Free Live Preview Developer
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WordFlow

Advanced text analyzer with word, character, sentence count. Reading time, keyword density, Flesch-Kincaid readability score. Essential for writers.

Free Analytics Writing
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MetaForge

SEO meta tag generator with live Google, Facebook, and Twitter previews. Character limits, Schema.org, robots tags. Copy all tags instantly.

Free SEO Marketing
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Base64Tool

Encode text to Base64 or decode Base64 to text. Supports UTF-8. Real-time conversion with swap and copy.

Free Encoding Developer
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LoremForge

Generate lorem ipsum placeholder text. Choose paragraphs, sentences, or words. Plain text or HTML. One-click copy.

Free Design Content
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RegexLab

Test and debug regex patterns in real-time. Match highlighting, capture groups, quick reference. JavaScript regex engine.

Free Developer Debug
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GradientForge

Visual CSS gradient builder with live preview. Linear and radial gradients, color stops, angle control. Copy CSS code instantly. 12 presets included.

Free CSS Design
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TimestampTool

Convert Unix timestamps to human-readable dates and back. Live clock, multiple formats, timezone selector, common timestamps reference.

Free Developer Utility
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HashForge

Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text or files. Drag-and-drop file hashing, hash comparison mode. Real-time as you type.

Free Security Developer

More from NexTool

Ecosystem
🎨

Premium Website Templates

Stunning, production-ready website templates. Single HTML file, zero dependencies. SaaS, Restaurant, Portfolio, Agency, E-Commerce.

From $19 TemplateForge
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250+ Expert AI Prompts

Tested, refined AI prompt collections for marketers, developers, content creators, and business professionals. Works with any LLM.

From $9 PromptVault

Custom AI Automation

Need something custom? Websites, chatbots, automations, content, video, and data services built by AI. 53+ automation types, from $5.

From $5 NexTool AI

Need Something Custom?

These free tools not enough? We build custom automations, websites, chatbots, and more — powered by AI. Professional results at indie prices.

Custom websites from $29
AI chatbots from $29
Business automations from $5
Content creation from $5
Data scraping from $5
53 automation types
from $5

You describe it. We build it. Delivered in 24-72 hours.

Explore NexTool AI