Is CaseWren really free?

Yes. All 147 tools are completely free with no usage limits, no trials and no paywall — and they always will be.

Do I need to create an account or sign up?

No. There is nothing to sign up for. Open a tool, type or paste your text, and copy the result. That is the whole flow.

Is my text uploaded or stored on a server?

Never. Every conversion runs locally in your browser using JavaScript. Your text never leaves your device, which you can verify in your network inspector.

What kinds of tools does CaseWren include?

Seven categories: case converters (upper, lower, title, camelCase and more), fancy Unicode fonts, text analysis (word counter, reading time), code and data tools (Base64, JSON, regex, hashes), text cleanup utilities, random generators (passwords, UUIDs, dice), and image tools (format conversion, color palettes, ASCII art).

Does CaseWren work on phones and tablets?

Yes. Every tool is fully responsive and touch-friendly, so you can convert, count and clean text on any device with a modern browser.

What makes CaseWren different from other converters?

Results update live as you type and all 17 case styles show on one screen — no clicking through tabs. It is also private by design, with zero ads and nothing you type ever uploaded, and includes 146 more tools beyond case conversion.

Now 147 free tools · No sign-up · 100% private

Convert text to any case. Instantly.

Type once and watch every style update live — then copy the one you need.

0 Characters · 0 Words · 0 Lines

Start typing to see all 17 styles live

Every conversion happens in your browser — nothing is uploaded.

Ctrl+Z UndoCtrl+Shift+Z RedoOptions and input are saved automatically in your browser.

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Free tools: 0
Case styles: $0
Forever: 0%
Private

Popular tools

Everyday workhorses, ready when you are.

All tools · 147

Case ConverterSee every case style at once — 17 live previews, one click to copy.Title Case ConverterHeadline-perfect Title Case in AP, APA, Chicago or MLA style.Fancy Text GeneratorEvery Unicode font you need, live as you type.Bold Text Generator𝗕𝗼𝗹𝗱 text for LinkedIn, resumes and bios.Word CounterWords, characters, sentences and reading time — live.Base64 Encoder & DecoderEncode and decode Base64 instantly, Unicode-safe.JSON Formatter & ValidatorFormat, validate and minify JSON with error positions.CSV to JSON ConverterConvert CSV ⇄ JSON with smart delimiter detection.Markdown to HTML ConverterRender Markdown to HTML with a live preview.Regex TesterTest regex patterns live with highlights and capture groups.Hash GeneratorMD5, SHA-1, SHA-256, SHA-384 and SHA-512 as you type.Timestamp ConverterUnix ⇄ date both ways, plus a live epoch clock.JWT DecoderInspect JWT header, payload and signature locally.JavaScript Formatter & BeautifierBeautify minified JavaScript with safe, ASI-aware formatting.YAML Formatter & ValidatorRe-indent YAML canonically and catch parse errors early.Remove Line BreaksUnwrap text pasted from PDFs and emails in one click.Duplicate Line RemoverDeduplicate lists and logs, keeping the first occurrence.Find and ReplaceSearch & replace with case, whole-word and regex power.ASCII Art GeneratorTurn any word into multi-line ASCII art you can paste anywhere.Password GeneratorStrong, unique passwords with a live strength meter.

New in this release

Freshly shipped tools — same speed, same privacy.

NEW

Text Diff Checker

Compare two texts line by line — added, removed, unchanged.

NEW

Word Cloud Generator

Turn any text into a beautiful word cloud, downloadable as PNG.

NEW

Regex Tester

Test regex patterns live with highlights and capture groups.

NEW

Image Converter

Convert PNG, JPG and WebP with size comparison, in bulk.

NEW

Hash Generator

MD5, SHA-1, SHA-256, SHA-384 and SHA-512 as you type.

NEW

Text to Speech

Read any text aloud with your device’s own voices.

Browse by category

7 toolboxes, one for every kind of job.

14 tools

Case Converters

Upper, lower, title, camel, snake and every case in between.

31 tools

Font Styles

Unicode fonts for Instagram, Discord, TikTok and more.

6 tools

Text Analysis

Count words, analyze frequency, estimate reading time.

38 tools

Code & Data

Base64, URL, Morse, JSON, QR codes and ciphers.

34 tools

Text Cleanup

Remove line breaks, dedupe, sort, find & replace.

14 tools

Random Generators

Passwords, UUIDs, numbers, dates and lorem ipsum.

10 tools

Image & Media

Convert formats, extract palettes, turn images into ASCII art.

Built for speed and privacy

The small details that make a big difference.

Live as you type

Results update on every keystroke — no convert button, no waiting.

One-click copy

Every output has its own copy button with instant feedback.

Private by design

Everything runs in your browser — your text never leaves your device.

Keyboard-first

Press ⌘K to search and jump to any of the 147 tools in a flash.

Dark mode

A full light and dark theme that is easy on your eyes, day or night.

Free forever

No sign-up, no limits, no paywall. Every tool, always free.

Why CaseWren beats the old converters

The old way

Click a button for every single conversion
Wait for the page to reload each time
Wade through ads and pop-ups to find the result
One style per page — endless tab switching

The CaseWren way

Results update live as you type
All 17 case styles on one screen, side by side
Zero ads, zero uploads, zero tracking

Ad-supported single-purpose pages147 curated, deeper tools — each with real options, all in one place

What is case conversion?

Case conversion is the process of changing the capitalization of text — turning lower case into UPPER CASE, Title Case, Sentence case, camelCase, snake_case and more. Writers, developers, marketers and students rely on it daily to meet style guides, naming conventions and formatting rules without retyping a single word.

When do you need a case converter?

Any time text arrives in the wrong format: a headline typed in ALL CAPS that needs Title Case, a variable name that must switch from snake_case to camelCase, a spreadsheet column that should be Sentence case, or social copy that needs a fancy Unicode font. A good converter fixes it in seconds instead of minutes of manual editing.

Why choose CaseWren?

CaseWren shows every case style at once, updates live as you type, and runs entirely in your browser — so your text is never uploaded, stored or tracked. It is free forever, needs no sign-up, works offline once loaded, and bundles 147 curated tools from word counters to image converters in one fast, ad-free place.