SamNet Tools — Fast, Private Web Utilities for Developers & Power Users

Text & Encoding

Format JSON, diff revisions, convert cases, encode safely (URL/Base64), generate passwords/UUIDs, convert sizes, and compute hashes — fast & client-side.

📊 JSON Formatter

Format, minify, and validate JSON data. In-browser.

⎌ Text Compare

Compare two blocks of text to see differences.

🕒 Timestamp Converter

Convert Unix time to human-readable dates.

🔀 Base64 Encoder/Decoder

Encode/decode text or files to/from Base64. Local.

🔗 URL Encoder/Decoder

Encode/decode text for safe use in URLs. Client-side.

📝 Case Converter

UPPERCASE, lowercase, Title Case, and more.

🔳 QR Code Generator

Type/paste → generate → download PNG. 100% in-browser.

🔐 Password & UUID

Bias-free passwords + UUID v4 with strength meter.

Crontab Explainer

Paste cron expression, get plain English.

#️⃣ Hash Generator

SHA-256 (recommended) & MD5 for text/files — local.

Password Strength

Test your password. Entropy, crack time, checks.

🧮 Byte Converter

Convert between B/KB/MB/GB and KiB/MiB/GiB.

🆔 UUID Generator

Random UUID v4 & GUID. Bulk generate, one-click copy.

📋 JSON → CSV

Convert JSON arrays to CSV. Flatten nested objects.

🎲 Random Number

Cryptographically secure RNG. Dice, lottery, custom range.

🔤 Character Counter

Count chars, words, sentences. Twitter/IG/SMS limits.

😊 Emoji Picker

Browse & copy emojis. Search by name, click to copy.

Images & Media

Swap image formats, trim audio, extract MP3, and build crisp favicons. Mostly in-browser; heavier work uses the server.

🎨 Color Converter

Convert HEX, RGB, and HSL with a live picker.

🎨 Color Picker

Pick colors, get HEX/RGB/HSL. Eyedropper & palette.

🌈 Gradient Generator

CSS gradients visually. Linear, radial, conic. Copy code.

🌈 Gradient Generator

CSS gradients visually. Linear, radial, conic. Copy code.

⭐ Favicon Generator

Create .ico & .png favicons from an image. In-browser.

🖼️ WebP → PNG

Private, in-browser conversion (no upload).

🧩 PNG → JPG

Quality slider with quick preview.

🎧 MP4 → MP3

Fast server conversion (192 kbps).

✂️ Audio Cutter

Trim audio files with a visual editor. Fast server processing.

📼 YouTube → MP3

Extract & download audio from YouTube videos.

📦 Image Compressor

Reduce image size up to 90%. No upload, in-browser.

📐 Aspect Ratio

Calculate ratios for video, social media, screens.

📐 Aspect Ratio

Calculate ratios for video, social media, screens.

🖼️ YT Thumbnail

Download YouTube thumbnails in all resolutions.

🔊 Text to Speech

Convert text to voice. Multiple languages, speed control.

🎬 Screen Recorder

Record screen in browser. No install. Download WebM.

🎬 Screen Recorder

Record screen in browser. No install. Download WebM.

🎙️ Audio Transcriber

Transcribe speech from audio files into text.

Documents & PDF

Assemble PDFs from images, split or merge documents, jot notes, and draft Markdown with live preview.

🗂️ Image → PDF

Combine images into a single PDF; drag to reorder.

📄 PDF Split & Merge

Split page ranges or merge PDFs — in your browser.

🗒️ Online Notepad

A private, feature-rich notepad that saves locally.

✍️ Markdown Previewer

Live side-by-side editor for writing Markdown.

Networking & Security

Speed & latency checks, IP visibility, DNS queries, email auth, and web security tests (HTTPS/HSTS/SSL).

🛡️ VPN Leak Check

Public IP, DNS & WebRTC checks.

View response headers for any URL. Security check.

🌍 What’s My IP?

See your public IP with a sleek location map.

IPv4/IPv6 details: ASN, ISP, geolocation & RDAP.

IP Blacklist Check

Is your IP on spam lists? Check DNSBL.

🚀 Speed Test

Quick download/upload & latency test.

🌐 Global Ping Test

Interactive latency map with 203+ endpoints.

Uptime Calculator

SLA downtime calc. 99.9% = 8h 45m/year.

📺 4K Streaming Test

Check if your connection can handle 4K streaming.

📡 Advanced DNS Toolbox

Query all major DNS records for any domain.

📧 SPF/DMARC Toolkit

Validate and analyze email security records.

🔒 HTTPS & HSTS Tester

Check for secure redirects and HSTS headers.

🔐 SSL Server Test

In-depth analysis of your SSL/TLS configuration.

📶 WiFi QR Code

Share WiFi password via QR code. Scan to connect.

System & Diagnostics

Input, display & performance tests plus a safe sandbox. Helpful for QA checks and quick demos.

🖥️ Terminal (Sandbox)

Secure, ephemeral shell. Short-lived sessions.

🖱️ Mouse Test

Check buttons, wheel, and double-click behavior.

⌨️ Keyboard Test

Visualize pressed keys, ghosting, and rollover.

🖥️ Screen Test

Dead-pixel, gradient, and backlight checks.

Measure frame rate and animation smoothness.

🧭 Browser Info

User agent, capabilities, and feature support.

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