# tinytiny.tools

> 34 free, no-signup browser tools — design, text, finance, productivity, random generators, and web utilities — plus practical guides and honest software reviews. Everything runs client-side: no account, no tracking, no email required.

Tools run entirely in the browser; no input data leaves the device. Content is available in English, German, Spanish, French, and Hebrew; the canonical English URLs are listed below.

## Tools

### Design
- [Color Converter](https://tinytiny.tools/en/tools/color-converter): Convert colors between RGB and HEX formats
- [Unit Converter](https://tinytiny.tools/en/tools/unit-converter): Convert between different units of measurement
- [Color Contrast Optimizer](https://tinytiny.tools/en/tools/color-contrast): Check color contrast ratios for accessibility compliance
- [QR Code Generator](https://tinytiny.tools/en/tools/qr-code-generator): Generate QR codes for text, URLs, WiFi, and contacts with custom colors and logo overlay
- [Favicon Creator](https://tinytiny.tools/en/tools/favicon-creator): Create custom favicons for your website
- [Image Reducer](https://tinytiny.tools/en/tools/image-reducer): Reduce the file size of your images
- [GIF Minifier](https://tinytiny.tools/en/tools/gif-minifier): Shrink animated GIFs losslessly in your browser
- [Batch File Rename](https://tinytiny.tools/en/tools/batch-file-rename): Rename multiple files at once with custom rules and patterns

### Text
- [Text Case Converter](https://tinytiny.tools/en/tools/text-case-converter): Convert to UPPER, lower, Title, camelCase, snake_case, kebab-case & 8 more
- [Word Count Tool](https://tinytiny.tools/en/tools/word-count): Counts words and characters in real-time
- [Word Cloud Generator](https://tinytiny.tools/en/tools/word-cloud): Generate visual word clouds from text
- [Text Encryption](https://tinytiny.tools/en/tools/text-encryption): Encrypt and decrypt text messages securely
- [Text Diff](https://tinytiny.tools/en/tools/text-diff): Compare two texts and highlight what changed, line by line

### Finance
- [Percentage Calculator](https://tinytiny.tools/en/tools/percentage-calculator): Calculate percentages with ease
- [Mortgage Calculator](https://tinytiny.tools/en/tools/mortgage-calculator): Calculate monthly payments, see full amortization schedules, and discover how extra payments can save you thousands in interest
- [Compound Interest Calculator](https://tinytiny.tools/en/tools/compound-interest-calculator): Calculate and compare multiple investment scenarios over time
- [Tip Calculator](https://tinytiny.tools/en/tools/tip-calculator): Calculate the tip for your bill

### Productivity
- [Pomodoro Timer](https://tinytiny.tools/en/tools/pomodoro): A timer for the Pomodoro technique
- [Date Difference Calculator](https://tinytiny.tools/en/tools/date-difference-calculator): Calculate date differences, business days with holiday exclusion, your age, countdowns, and date math
- [Time Calculator](https://tinytiny.tools/en/tools/time-calculator): Add or subtract hours, minutes, days from any date and time — forward or backward, daylight-saving and time-zone aware.
- [Sleep Calculator](https://tinytiny.tools/en/tools/sleep-calculator): Find the best bedtime or wake time based on sleep cycles, plan power naps, and discover your chronotype
- [World Clock](https://tinytiny.tools/en/tools/world-clock): See the current time across time zones, side by side

### Random & Generators
- [Dice Roller](https://tinytiny.tools/en/tools/dice-roller): Roll virtual dice for games or decision-making
- [Coin Flip](https://tinytiny.tools/en/tools/coin-flip): Simulate a coin flip
- [Length Converter](https://tinytiny.tools/en/tools/length-converter): Convert between different units of length and distance
- [BMI Calculator](https://tinytiny.tools/en/tools/bmi-calculator): Calculate your Body Mass Index
- [Password Generator](https://tinytiny.tools/en/tools/password-generator): Generate secure, random passwords
- [Fun Name Generator](https://tinytiny.tools/en/tools/name-generator): Generate magical and unique names
- [Random Number Generator](https://tinytiny.tools/en/tools/random-number): Generate random numbers within a specified range

### Web & Network
- [IP Information](https://tinytiny.tools/en/tools/ip-info): View your IP address and related information
- [JSON Formatter & Validator](https://tinytiny.tools/en/tools/json-formatter): Format, validate and beautify JSON with syntax highlighting
- [Regex Tester](https://tinytiny.tools/en/tools/regex-tester): Test and debug regular expressions with real-time highlighting
- [AI Image API Cost Calculator](https://tinytiny.tools/en/tools/ai-image-api-calculator): Compare AI image API prices per image and find the self-host break-even
- [Consistent Character Prompt Builder](https://tinytiny.tools/en/tools/consistent-character-prompt-builder): Build a reusable character 'bible' and paste-ready prompts that keep the same AI character across every image.

## Optional
- [All tools](https://tinytiny.tools/en/): Browse the full tool directory
- [Blog index](https://tinytiny.tools/en/blog): All guides, tips, and reviews
- [Sitemap](https://tinytiny.tools/sitemap.xml): Full machine-readable URL list across all languages