Category hub
Coding
Open developer tools for JSON, Base64, Regex, hashes, timestamps, and more.
Developer tools by task
Choose the task first, then open the right formatter, converter, security utility, or API tool.
Coding
Open developer tools for JSON, Base64, Regex, hashes, timestamps, and more.
Recommended order blends featured tools, recent views, and current availability.
Base64 Encoder
Encode plain text to Base64 or decode Base64 back into text.
Regex Tester
Test regular expression patterns against sample text with live match results and flag controls.
Password Generator
Generate strong passwords with customizable length and character options.
QR Generator
Turn links and short text into scannable QR code images.
Code and Data Toolbox
Choose the exact formatting, validation, or data conversion task you need without jumping between duplicate pages.
URL Encoder
Encode and decode query-safe URL values for links and APIs.
Timestamp Converter
Convert Unix timestamps into readable dates and back again.
Hash Generator
Generate SHA hash values from plain text input.
UUID Generator
Generate one or more UUID v4 values for development and testing.
Password Strength Checker
Review password quality, missing requirements, and quick improvement suggestions.
Privacy Masking Tool
Mask emails, phone numbers, card numbers, and other sensitive text before sharing.
Color Palette Generator
Build tints, shades, and contrast guidance from a single base color.
URL Safety Checker
Inspect link structure for suspicious patterns and phishing-style warnings.
Font Preview
Compare fonts, test a local font, check contrast, and copy CSS.
JWT Decoder
Inspect JWT header, payload, and timing claims without leaving the page.
Hex Converter
Convert text, numbers, and color codes into hex or decode hex bytes back into UTF-8 text.
HTML Entity Converter
Escape HTML-sensitive characters or restore entity strings back into normal text.
Caesar Cipher Tool
Encode and decode simple Caesar shift text with quick ROT13 support.
Case Converter
Turn one phrase into camelCase, PascalCase, snake_case, kebab-case, and more.
Server Time
Check the live server clock, UTC, Unix timestamps, and timezone details in one place.
CSS Gradient Generator
Create ready-to-paste CSS linear-gradient code from angle and two colors.
Barcode Generator
Generate a Code 39 SVG barcode from letters and numbers for inventory, labels, and tests.
Apache Redirect Generator
Generate Apache Redirect and RewriteRule examples for URL migration work.
ULID Generator
Generate time-sortable ULIDs for logs, events, and data keys.
Basic Auth Header Generator
Convert username and password into an Authorization Basic header.
Advanced Base Converter
Convert values between bases 2 through 36 and show the decimal reference.
AES Text Encryptor
Encrypt notes with browser Web Crypto using AES-GCM, PBKDF2, random salt, IV, and a shareable JSON payload.
API Request Planner
Plan monthly calls, peak RPS, cache savings, concurrency, and rate-limit headroom by endpoint.
Explore other categories
Finance
Browse loan, debt, savings, and payment planning tools in one place.
Health
Check BMI, calorie, and body composition tools for everyday health planning.
Math
Use percentage, GPA, and scientific math tools built for quick problem solving.
Conversion
Convert units, currencies, and everyday values from one focused conversion hub.
Logistics
Plan cartons, pallets, chargeable weight, and container fit with dedicated logistics tools.
Sports
Turn soccer, baseball, basketball, cricket, and football stats into points, rates, and efficiency metrics.
Text
Text tools for counting, OCR extraction, comparison, and content cleanup.
Image
Compress, resize, and convert images directly in the browser.
Merge, split, optimize, and create PDF files for everyday document work.
SEO
Create slugs, meta tags, and sharing previews for search-focused publishing.
Productivity
Small practical tools for decisions, lists, and everyday work.
Lifestyle
Find practical daily tools for dates, travel, focus sessions, and personal planning.