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Best Base64 Converter Tool Apps

0+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated July 2026

Base64 Image Converter is the household name in base64 converter tool, but it's far from the only option. We track 0+ alternatives and competitors on iOS β€” many free, many higher-rated than you'd expect.

Compare top Base64 Converter Tool Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Base64 Image ConverterBase64 Image ConverterFree was $0.99β€”NoNoAug 2026
2Metric Conversion toolMetric Conversion toolFree4.8β˜… (15K)NoNoAug 2026
3Base64 Encoder DecoderBase64 Encoder DecoderFree5.0β˜… (3)NoNoMay 2026
4Image ∞ Base64Image ∞ Base64Free5.0β˜… (1)NoNoAug 2026
5Base64 Encode DecodeBase64 Encode DecodeFreeβ€”NoYesAug 2026
6HexToImage ConverterHexToImage ConverterFreeβ€”YesYesAug 2026
7FastConvert: All File ToolFastConvert: All File ToolFree4.8β˜… (45)YesYesAug 2026
8Image to Base64 PlusImage to Base64 Plus$2.995.0β˜… (1)NoNoAug 2026

Top Picks for Base64 Converter Tool

Metric Conversion tool#2

Metric Conversion tool by Wight Hat

Unit and currency converter
Strong Contender
πŸ” Reference
4.8😐(15K ratings)
Free
Metric Conversion tool screenshot 1
Metric Conversion tool screenshot 2
Metric Conversion tool screenshot 3
Metric Conversion tool screenshot 4
Metric Conversion tool screenshot 5

This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.

What We Love

  • πŸ’‘ Useful conversion tool
  • πŸ‘ Easy to use and navigate
  • πŸš€ Quick and efficient
  • πŸ‘ Comprehensive coverage of conversions

Room to Improve

  • πŸ”Š Intrusive and loud ads
  • πŸ”’ Questionable privacy practices
  • πŸ› Inaccurate conversions

More Base64 Converter Tool apps to explore

4
Image ∞ Base64
Image ∞ Base64
Image ∞ Base64
Convert between image & Base64
Free

This tool allows for seamless conversion between image files and Base64 encoded strings. It's designed for developers and users who need to easily transform image data for various applications, such as web development or data transfer.

Image to Base64 conversionBase64 to Image conversionSupports various image formats
πŸ› οΈ Developer Tools
(1)
free
5
Base64 Encode Decode
Base64 Encode Decode
Base64 Encode Decode
JWT Hex URL Codec Tools
Free
πŸ› οΈ Developer Tools
(0)
6
HexToImage Converter
HexToImage Converter
HexToImage Converter
Hex, Base64 & Image converter
Free
πŸ› οΈ Developer Tools
(0)
7
FastConvert: All File Tool
FastConvert: All File Tool
FastConvert: All File Tool
File Photo Video & Audio
Free

This utility app converts various file types, including documents, videos, audio, and images. It also offers tools for compression, merging, cropping, and adjusting playback speed for media.

File format conversionVideo conversion and editingAudio conversion and speed adjustment
πŸ”§ Utilities
(45)
free with in-app purchases
8
Image to Base64 Plus
Image to Base64 Plus
Image to Base64 Plus
Image to Base64 to Image
$2.99

Easily convert images to Base64 encoded strings and vice versa. This tool allows you to copy the encoded data for use in other applications or save converted images directly to your device. It's a lightweight, ad-free solution for embedding image data.

Convert images to Base64Decode Base64 to imagesCopy Base64 string
πŸ› οΈ Developer Tools
(1)
paid
9
TwoBaseTen: Binary Converter
TwoBaseTen: Binary Converter
TwoBaseTen: Binary Converter
Binary to Decimal Made Easy
Free

Easily convert between decimal and binary number systems with a simple interface. Supports pasting input and copying output for quick operations. Ideal for quick calculations without complex features.

Decimal to binary conversionBinary to decimal conversionPaste numbers to input
πŸ”§ Utilities
(37)
free
10
Base Converter.
Base Converter.
Base Converter.
Convert to a different base
Free
πŸ“š Education
(0)
11
Debotha: Text & Base Converter
Debotha: Text & Base Converter
Debotha: Text & Base Converter
by Juan Williman
Free
$0.99 | 100% OFF

Convert text and numbers between various bases, including decimal, binary, octal, and hexadecimal. Features include a text scanner, live activities, widgets, and iCloud sync for seamless access across devices. Enhance security with Face ID/Touch ID lock and screenshot protection.

Text ScannerLive ActivitiesWidgets
πŸ› οΈ Developer Tools
(3)
free
12
Base converter: dec, hex, bin
Base converter: dec, hex, bin
Base converter: dec, hex, bin
Decimal, hexadecimal, binary
Free
πŸ“Š Productivity
(0)
13
The Document Converter
The Document Converter
The Document Converter
Convert to PDF, DOCX, JPG, etc
Free

Effortlessly transform files into various document and image formats like PDF, DOCX, and JPG. Simply select your input, choose the desired output, and convert in seconds. Save, share, or open your converted files directly in other applications.

Convert to PDF, DOCX, JPG, TXT, and moreSupports dozens of input formatsSave, share, or open converted files
πŸ”§ Utilities
(5.9K)
freemium
14
Hex Base Converter
Hex Base Converter
Hex Base Converter
by Mark Raymond
Free

Easily convert numbers between decimal, hexadecimal, binary, and octal formats. This versatile tool offers an intuitive interface and automatically corrects incorrect entries for a seamless user experience.

Decimal to Hex, Binary, Octal conversionHexadecimal to Dec, Binary, Octal conversionOctal to Dec, Binary, Hex conversion
πŸ“š Education
(44)
free
15
Base-2 Converter
Base-2 Converter
Base-2 Converter
by wakachamo
Free

Easily convert between binary and decimal number systems. This tool is designed for computer science professionals and students needing quick conversions.

Binary to decimal conversionDecimal to binary conversionSimple user interface
πŸ”§ Utilities
(2)
free
16
Converter X: Unit & Currency
Converter X: Unit & Currency
Converter X: Unit & Currency
AI tools and Smart Input
Free

This app provides real-time currency and unit conversions, along with international clothing size comparisons. It features a smart input system that understands natural language and offers AI explanations for conversions, enhancing daily productivity and travel planning.

Real-time currency conversion (167 currencies)Comprehensive unit conversion (201 units)International clothing size conversion
πŸ”§ Utilities
(30)
free with in-app purchases
17
Image Converter: JPEG PDF HEIC
Image Converter: JPEG PDF HEIC
Image Converter: JPEG PDF HEIC
Convert to JPG PNG & SVG File
Free

Easily convert images to over 20 formats like JPG, PNG, PDF, and SVG. This app offers a user-friendly interface for efficient media management, making it simple to prepare photos for professional use or sharing.

Convert to 20+ image formatsSupports JPEG, PNG, PDF, SVG, HEICUser-friendly interface
πŸ“Š Productivity
(9K)
subscription
18
Text Converter and tools
Text Converter and tools
Text Converter and tools
Download now Text onverter APP
Free

This versatile application offers a comprehensive suite of tools for text manipulation and formatting. Easily convert text case, count characters and words, sort lines alphabetically, and perform various encoding/decoding tasks. It's designed to streamline text processing for writers, developers, and researchers.

Convert text case (uppercase, lowercase, title case)Count characters, words, and linesSort lines alphabetically
πŸ”§ Utilities
(1)
ad-supported
19
Photo & Image Converter
Photo & Image Converter
Photo & Image Converter
Resizer & convert files bulk
Free

Easily convert and resize images and files on your iOS device. Supports a vast array of formats for both online and offline conversions, with batch processing capabilities. All converted files are conveniently saved in Apple's Files app.

Image conversionFile conversionImage resizing
πŸ“Š Productivity
(503)
free with in-app purchases
20
Base64 Encode and Decode
Base64 Encode and Decode
Base64 Encode and Decode
by Le Vu
Free

Easily convert text and data into Base64 format and back again. This utility app provides a straightforward way to encode and decode information for various applications.

Base64 encodingBase64 decodingData conversion
πŸ”§ Utilities
(1)
free with in-app purchases