Cuvel Browser Tools Directory
Discover practical browser tools in one place
Cuvel helps you find practical browser tools that process data locally without network transfer, so you can open what you need and work more safely.
Local Processing
Built around browser-side workflows
For everyday formatting and conversion tasks, the site favors flows that can be handled directly in the browser. This makes quick checks easier when you are working with drafts or temporary data.
Curated Tools
Organized around practical use cases
The goal is not to list tools for volume alone. Cuvel groups utilities around recurring development and content tasks so visitors can reach the right page quickly.
Transparency
Policies and contact details are visible
Privacy information, terms, site information, and contact details are published so visitors can understand how the site is run and what conditions apply.
About
About Cuvel
Purpose, editorial approach, and contact information for Cuvel.
Editorial approach
Tools are selected and maintained with a focus on repeated real-world usefulness, clear purpose, and quick verification of results. Explanatory content and policy pages are reviewed over time to improve clarity across the site.
Terms of Use
Terms, conditions, and disclaimers for using Cuvel.
Privacy Policy
Cuvel privacy policy.
Guides
Featured guides
What Base64 Is and When to Use It
Understand what Base64 does, where it is useful, and what it does not protect.
Developer
Developer tools
11 tools
Developer
JSON Formatter
Format or minify JSON instantly and copy the result.
Use case
Quickly format messy JSON data into a readable structure or minify it to save space. It validates your JSON input in real-time and provides one-click copying for your development workflow.
Developer
Query Parser
Break URL query strings into readable JSON.
Developer
CSV to JSON
Convert simple CSV data into formatted JSON.
Developer
JSON to CSV
Convert arrays of objects into downloadable CSV text.
Developer
CSV to TSV
Convert comma-separated data into tab-separated text.
Developer
TSV to CSV
Convert tab-separated data into standard CSV text.
Developer
URL Parser
Break a full URL into protocol, host, path, query, and hash.
Developer
Regex Tester
Test a regular expression against text and inspect matches.
Developer
Base Converter
Convert decimal numbers into binary, octal, and hexadecimal.
Developer
Diff Checker
Compare two texts line by line in the browser.
Developer
Basic Auth Encoder
Create or decode HTTP Basic Authorization headers in the browser.
Text
Text tools
10 tools
Text
Text Case Converter
Switch text between upper, lower, title, and camel case.
Use case
Transform your text into various formats like UPPERCASE, lowercase, camelCase, or kebab-case instantly. It saves time when refactoring code or adjusting titles for different naming conventions.
Text
Remove Duplicate Lines
Keep only unique lines from pasted text.
Text
Text Reverser
Reverse pasted text instantly, including emoji and multibyte characters.
Text
Line Numberer
Add sequential line numbers to each line of text.
Text
Sort Lines
Sort lines alphabetically and clean up simple lists.
Text
Slugify
Turn titles and phrases into URL-friendly slugs.
Text
Word Counter
Count words, characters, lines, and paragraphs instantly.
Text
Text Replace
Find and replace text in the browser.
Text
Newline Converter
Convert line endings between LF and CRLF.
Text
List Shuffler
Randomly shuffle the lines of your text list.
Convert
Convert tools
8 tools
Convert
Base64
Encode and decode UTF-8 strings without mojibake.
Use case
Encode text to Base64 format or decode it back to plain text safely. It handles UTF-8 characters correctly, ensuring that special characters and non-English text are processed without corruption.
Convert
URL Encoder
Encode and decode URL components instantly.
Convert
HTML Escape
Escape or unescape HTML entities safely in the browser.
Convert
Character Code Converter
Convert text into Unicode code points (U+XXXX) and decode code points back into text.
Convert
Morse Code
Convert text to Morse code and decode it back.
Convert
Byte Converter
Convert between Bytes, KB, MB, GB, TB, and PB using 1024-based units.
Convert
HTML to Text
Strip HTML tags and extract readable text from markup.
Convert
HTML / Markdown Preview
Preview Markdown or sanitized HTML instantly and inspect the rendered HTML output.
Generate
Generate tools
4 tools
Generate
UUID Generator
Generate multiple v4 UUIDs at once and copy them quickly.
Use case
Generate multiple Universally Unique Identifiers (UUID v4) instantly for your database records or testing needs. You can create a batch of up to 20 unique IDs at once and copy them to your clipboard with ease.
Generate
Random String
Generate quick random strings with customizable length.
Generate
Lorem Ipsum
Generate placeholder paragraphs for drafts and mockups.
Generate
Color Generator
Generate random colors and get their Hex, RGB, and HSL values.
Image
Image tools
3 tools
Image
Image Compare - inspect visual differences
Compare two images side by side, with overlay and diff highlights.
Use case
Inspect two images side by side and use overlay plus diff highlights to spot visual changes quickly.
Image
Image to Base64
Turn an uploaded image into a Base64 Data URL.
Image
Image Resizer
Resize an image in the browser and download the result.
Security
Security tools
6 tools
Security
Password Generator
Build stronger passwords safely in your browser without network activity.
Use case
Generate strong, secure passwords directly in your browser using customizable rules for length and character types. Since all processing is local, your passwords are never sent over the network, ensuring maximum privacy.
Security
JWT Decoder
Decode JWT header and payload without signature verification.
Security
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.
Security
Password Strength Checker
Estimate password strength in the browser and spot weak patterns quickly.
Security
Htpasswd Generator
Generate .htpasswd entries in crypt, APR1-MD5, or bcrypt format directly in the browser.
Security
mailto Obfuscator
Turn public email addresses into three bot-resistant formats in one place.