Best Formatter Apps

210+ iOS apps curated and reviewed

4.9 avg rating
19 free apps
Updated July 2026

From beginner-friendly picks to power-user tools, our formatter list covers 210+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Compare top Formatter Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1FormatterFormatterFree was $2.995.0★ (2)NoNoMay 2026
2FormatMyDate - Date FormatterFormatMyDate - Date FormatterFree5.0★ (3)YesYesMay 2026
3Nellie Screenplay FormatterNellie Screenplay FormatterFree was $3.995.0★ (1)NoNoJul 2026
4DateTime - Date FormatterDateTime - Date FormatterFree5.0★ (1)NoNoMay 2026
5Square Fit: Photo Video EditorSquare Fit: Photo Video EditorFree4.7★ (2.6K)NoYesJul 2026
6JSON FORMATTER PROJSON FORMATTER PROFree was $2.994.9★ (55)NoNoMay 2026
7Magical Text FormatterMagical Text FormatterFree5.0★ (1)NoNoMay 2026
8Date FormatterDate FormatterFree5.0★ (1)NoNoMay 2026

Top Picks for Formatter

Formatter#1

Formatter by Mew Sang Lim

Json Formatter
Editor's Choice
🔧 Utilities
5.0(2 ratings)
Free
Formatter screenshot 1

This utility app transforms messy JSON data into a clean, readable format. It eliminates the frustration of scrolling and eye strain associated with poorly formatted code, simplifying data analysis.

FormatMyDate - Date Formatter#2

FormatMyDate - Date Formatter by Longyue Han

Date Formatter with References
Strong Contender
🛠️ Developer Tools
5.0(3 ratings)
FreeAdsIn-App Purchases
FormatMyDate - Date Formatter screenshot 1
FormatMyDate - Date Formatter screenshot 2
FormatMyDate - Date Formatter screenshot 3

Easily format dates and times across your Apple devices. This app provides an instant playground for date formatting, a comprehensive symbol table based on LDML standards, and common format examples. Enhance productivity for developers, content creators, and casual users.

More Formatter apps to explore

4
DateTime - Date Formatter
DateTime - Date Formatter
DateTime - Date Formatter
Full Unicode LDML Reference
Free

This app lets you experiment with date formatting using Unicode LDML specifications. Preview your formatted dates with the current time and easily share your custom format strings with others.

Test arbitrary date formatsPreview with current timeFull Unicode LDML reference
🔍 Reference
(1)
free
5
Square Fit: Photo Video Editor
Square Fit: Photo Video Editor
Square Fit: Photo Video Editor
Picture Layout For Instagram
Free

Combine photos and videos into premium layouts with this all-in-one editor. Create collages, add text and stickers, remove backgrounds, and enhance your media with various filters and effects. Perfect for social media content creation.

Photo & Video EditorCollage CreatorInstagram Layouts
📷 Photo & Video
(2.6K)
subscription
6
JSON FORMATTER PRO
JSON FORMATTER PRO
JSON FORMATTER PRO
Syntax Error Highlighting
Free
$2.99 | 100% OFF

This utility app simplifies JSON formatting and validation. It offers syntax error highlighting and allows users to type or paste JSON data for easy manipulation and export. Ideal for developers and anyone working with JSON on the go.

Syntax Error HighlightingJSON FormattingType JSON
🔧 Utilities
(55)
free
7
Magical Text Formatter
Magical Text Formatter
Magical Text Formatter
Text that looks intentional
Free

Elevate your social media posts with unique and professional-looking text. This app offers a variety of stylish fonts and formatting options to make your content stand out and capture attention.

Variety of beautiful fontsSimple formatting optionsLinkedIn-ready styles
🔧 Utilities
(1)
free
8
Date Formatter
Date Formatter
Date Formatter
Test ISO 8601 date time format
Free

This utility helps developers easily test and understand date and time format strings. It allows for setting custom dates, time zones, and supports over 689 locales for localized formatting.

Test any date/timeSet different time zonesSupport for 689+ locales
🔧 Utilities
(1)
free
9
Curly: JSON Viewer & Formatter
Curly: JSON Viewer & Formatter
Curly: JSON Viewer & Formatter
JSON Viewer browser extension
Free

This browser extension automatically formats and highlights raw JSON text on webpages, making it instantly readable and interactive. It's designed to boost productivity for developers by simplifying data inspection and API debugging.

Automatic JSON detectionSyntax highlightingInteractive JSON view
🛠️ Developer Tools
(1)
ad-supported
10
JSON Formatter
JSON Formatter
JSON Formatter
Pretty Print JSON
Free

This utility helps you format and view JSON strings with clear, readable indentation. It offers both light and dark themes for a comfortable viewing experience.

Pretty print JSONReadable indentationLight mode
📊 Productivity
(4)
free
11
Case Formatter
Case Formatter
Case Formatter
Quick text case formatter
Free

Instantly convert text to various cases like UPPERCASE, lowercase, Title Case, and Sentence case. Features auto-paste from the clipboard and a clean, minimalist interface to boost your text formatting efficiency.

Multiple text case conversionsAuto Paste from clipboardMinimalist UI
🔧 Utilities
(1)
free
12
Jeyso: JSON Diff & Formatter
Jeyso: JSON Diff & Formatter
Jeyso: JSON Diff & Formatter
Format, Validate & Beautify
Free
🛠️ Developer Tools
(0)
13
XML Viewer: Editor & Formatter
XML Viewer: Editor & Formatter
XML Viewer: Editor & Formatter
XML Viewer Converter JSON PDF
Free
🔧 Utilities
(0)
14
AddressGO - Address Formatter
AddressGO - Address Formatter
AddressGO - Address Formatter
Auto-Format: Visa & Shipping
Free
$0.99 | 100% OFF

This utility app instantly formats local addresses into standardized English fields for online forms, visa applications, and international shipping. It intelligently splits address lines and offers multiple English views, including options for strict character limits.

Split Line 1 / Line 2 instantlyThree address views (Full English, Short English, Original)Landmark and company name translation
🔧 Utilities
(1)
free with in-app purchases
15
Social Formatter
Social Formatter
Social Formatter
Style your text
Free
🔧 Utilities
(0)
16
JSON Formatter Simple Parsing
JSON Formatter Simple Parsing
JSON Formatter Simple Parsing
Parse JSON Strings and Files
Free
🛠️ Developer Tools
(0)
17
CopyStyler: Post Formatter
CopyStyler: Post Formatter
CopyStyler: Post Formatter
Social Media Content Creator
Free

Enhance your social media content with unique fonts, formatted text, and clean line breaks. This tool helps creators craft engaging captions and bios that stand out across all major platforms, boosting visibility and interaction.

Fancy fonts with bold/italic optionsCustomizable lists with emojis/symbolsClean line breaks for readability
🌐 Social Networking
(1)
freemium
18
JSONView Formatter Tool
JSONView Formatter Tool
JSONView Formatter Tool
Pretty-print and explore JSON
Free
🔧 Utilities
(0)
19
JSONCraft - Editor & Formatter
JSONCraft - Editor & Formatter
JSONCraft - Editor & Formatter
Smart and Elegant JSON Editor
$1.99
🛠️ Developer Tools
(0)
20
Phonetic Formatter: English
Phonetic Formatter: English
Phonetic Formatter: English
Aligned IPA for English Text
Free
🔧 Utilities
(0)

FAQ about Formatter

What are the best formatter apps for iPhone?
Formatter tops our formatter apps ranking as of July 2026, with a 5.0-star average from 2 App Store ratings, and it's free to download.
Yes — 19 of the top formatter apps we rank are free to download, including Formatter and FormatMyDate - Date Formatter.
Formatter has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 210+ formatter apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Formatter is available on Mac, iPhone, and iPad, offering cross-platform utility for users across Apple devices.
The app was last updated on October 3, 2025, indicating active development and potential for future improvements and bug fixes.

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