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ExperToolBox — Free Online Tools
45+ free browser tools — no signup, no uploads, no limits
A collection of 45+ free online tools that run entirely in your browser. No registration, no file uploads, no data sent to any server. Your data stays on your device.
Hey Product Hunt! 👋
I'm excited to launch ExperToolBox — a free collection of 45+ online
tools built entirely in vanilla JavaScript. No frameworks, no backend,
no accounts required.
The core idea: every tool should work instantly, privately, and for free.
🖼️ IMAGE TOOLS
- Remove Background — AI-powered, runs in-browser via WebGPU
- Image Compressor — drag, compress, download. Zero uploads.
- Image Converter — WebP, JPG, PNG, BMP batch conversion
- Image Resizer — presets for social media, custom dimensions
- Color Palette Extractor — dominant colors as HEX/RGB/HSL
- Favicon Generator — from image or emoji, 4 sizes
🔑 GENERATORS
- Password Generator — crypto.getRandomValues(), not Math.random()
- QR Code Generator — URL, WiFi, email, phone types
- UUID Generator — bulk generate up to 100, 5 formats
- Random Picker — spin wheel with draw history
- Secret Message — self-destructing encrypted messages
💱 CALCULATORS
- Currency Converter — 27 major currencies
- Mortgage Calculator — full amortization table + pie chart
- BMI Calculator — metric & imperial, WHO scale
- Timezone Converter — live clocks, DST-aware, 30 cities
- Tip Calculator — bill splitter with presets
🔄 CONVERTERS
- JSON to CSV — table preview, auto-detect structure
- Base64 Encoder — standard + URL-safe variant
- Markdown to HTML — 3-panel live editor
- Color Converter — HEX, RGB, HSL, CMYK + palette generator
- PNG to PDF — merge multiple images, reorderable pages
- PDF to Image — powered by PDF.js, 1×–3× quality
✍️ TEXT TOOLS (20+)
- Regex Tester — live highlighting, capture groups, cheatsheet
- Find & Replace — with full regex and whole-word support
- Text Diff — auto-compare, color-coded line by line
- Case Converter — 9 formats including camelCase, snake_case
- Sort Lines — 7 modes, case-insensitive, dedup option
- Word Counter — real-time + keyword frequency + goal tracker
- Remove Duplicates, Extra Spaces, Empty Lines, Accents...
- Column Extractor, URL List Cleaner, Add Prefix/Suffix...
Built with: Pure HTML + CSS + Vanilla JS
Backend: None
Data collection: None
Price: Free forever
👉 https://expertoolbox.com
About ExperToolBox — Free Online Tools on Product Hunt
“45+ free browser tools — no signup, no uploads, no limits”
ExperToolBox — Free Online Tools was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #106 on the daily leaderboard. A collection of 45+ free online tools that run entirely in your browser. No registration, no file uploads, no data sent to any server. Your data stays on your device.
On the analytics side, ExperToolBox — Free Online Tools competes within Design Tools, Productivity and Developer Tools — topics that collectively have 1.4M followers on Product Hunt. The dashboard above tracks how ExperToolBox — Free Online Tools performed against the three products that launched closest to it on the same day.
Who hunted ExperToolBox — Free Online Tools ?
ExperToolBox — Free Online Tools was hunted by GRAMOLA MUSICA LIBRE. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of ExperToolBox — Free Online Tools including community comment highlights and product details, visit the product overview.
GRAMOLA MUSICA LIBRE