A fast, focused text toolbox for iPhone and iPad. Convert case, prettify JSON, preview Markdown, run regex, encode and decode, and apply quick AI text actions - all on-device, all in one place.
Built for developers, writers, and anyone who copies text between apps a hundred times a day. Save your favorite workflows once and reuse them with a single tap.
iPhone & iPadOn-devicePrivacy-firstAI text actions
30+
Text actions in one app
On-device
No cloud, no tracking
Workflows
Chain actions, save presets
Native
iPhone & iPad, optimized
A Text Toolbox That Lives on Your Phone
Stop juggling browser tabs and websites for things you do every day. TextLab puts all the common text tools in one fast, beautiful app.
Case Conversion
Upper, lower, title, sentence, snake_case, kebab-case, camelCase, PascalCase, and constant case in one tap.
JSON Formatter
Pretty-print, minify, validate, and explore JSON with collapsible nodes and syntax highlighting.
Markdown Preview
Live Markdown preview with GitHub-flavored extensions, code blocks, and tables.
Text Cleaner
Remove extra whitespace, blank lines, smart quotes, soft hyphens, zero-width characters, and BOMs.
Encoders & Decoders
Base64, URL, HTML entities, hex, binary, JWT decode, and slug-safe encoding.
Regex Tester
Live regex highlighting with named groups, replace mode, and a built-in cheat sheet.
Diff & Compare
Side-by-side and unified diff for any two text snippets.
AI Text Actions
Summarize, rewrite, fix grammar, translate, and explain - powered by on-device or opt-in cloud AI.
Workflows
Chain actions together (clean → JSON pretty → copy) and save them as one-tap shortcuts.
Private by Design
Your text stays on your device. AI features always show what is being sent before you send it.
Quick Convert
One-tap conversions: timestamps to dates, hex to RGB, CSV to JSON, and more.
Fast & Light
Designed to be the fastest text utility on the App Store. No ads, no clutter.
Who Uses TextLab
Anyone who copies, cleans, formats, or converts text on a phone.
Developers
Pretty-print JSON from an API response, decode a JWT, test a regex, or convert a snippet between case styles - without opening a browser.
Writers & Editors
Clean smart quotes from pasted text, preview Markdown drafts, fix capitalization, and use AI to rewrite or trim a paragraph.
Everyone Else
Strip extra spaces from a copied address, encode a string for a URL, or convert a timestamp to a real date in seconds.
Some of the Built-in Actions
Just a sample - there are dozens more inside.
UPPERCASElowercaseTitle Casesnake_casekebab-casecamelCaseJSON prettyJSON minifyMarkdownTrim spacesRemove blank linesBase64URL encodeHTML entitiesJWT decodeRegex testRegex replaceHex to RGBTimestampCSV to JSONAI summarizeAI rewriteAI translateDiff text
iPhone Screens
A real look at the actions, formatters, and AI tools.
iPad Screens
Two-column layout that takes advantage of the bigger canvas.
Built for iPhone & iPad
A native iOS and iPadOS experience tuned for one-handed and two-column use.
iPhone
iOS 17.0 or later
iPad
iPadOS 17.0 or later
Perfect For
Developers debugging API responses on the go.
Writers cleaning up pasted text and previewing Markdown.
Anyone who needs case, encoding, or format conversion fast.
People tired of opening five different websites to do one thing.
iPad power users who want a real text toolbox on the bigger screen.
What Makes It Different
Everything in one app: case, JSON, Markdown, regex, encoders, AI - in a single place.
Workflows: chain actions and save them as one-tap shortcuts.
Privacy-first: on-device processing by default, with clear AI consent prompts.
Native and fast: built specifically for iOS, no web wrappers.
No ads or trackers: a clean, focused tool you can rely on.
Get TextLab
Download TextLab: Format, Edit & Convert and stop bouncing between websites for the same text tasks every day.
