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Version
v1.0.4
Latest
Size
5.9 MB
Total
Category
tools
Developer
Mobilia Apps
Views
149
Updated
2026-10-02
Screenshots
DevToolKit Developer Tools Mod is a developer utility app that helps you work with regular expressions, JSON, JWT tokens, timestamps, and Base64 images on Android. It brings several focused conversion and validation tasks into one small package for checking data while you work.
The current update focuses on making these tools more dependable when handling patterns, formatted data, token dates, and image output. DevToolKit Developer Tools Mod requires Android 7.0 or later.
Regex Testing
The regex tester is designed to stay responsive when you try slow patterns. It also highlights every match, making it easier to inspect where a pattern finds text rather than checking results one match at a time.
JSON Formatting and Errors
The JSON formatter reports problems with both a line and a column location. This gives you a direct place to check when formatted JSON fails. It also keeps numbers exactly as written, which is useful when the original numeric representation matters in the data you are reviewing.
JWT and Timestamp Checks
The JWT decoder no longer treats an expired token as valid. Timestamp handling accepts time zone offsets and fractional seconds, so you can work with timestamp formats that include more than a basic date and time value.
Base64 Image Encoding
The Base64 image tool encodes the original image file. When the result is large, you can share it as a file instead of relying on a smaller text-only result.
MOD Features
Premium Unlocked
- Premium Unlocked
What’s New
v1.0.4• Regex tester no longer freezes on slow patterns and highlights every match
• JSON formatter reports errors with line and column and keeps numbers exactly as written
• JWT decoder no longer calls an expired token valid
• Timestamps accept time zone offsets and fractional seconds
• Base64 image encodes the original file, and large results can be shared as a file
Release notes published by the developer on Google Play.View on Google PlayRetrieved 2026-10-02
Verified package facts
These values are read from the installable file and cross-checked against the app's Google Play listing. JoJoy does not run antivirus scans and does not test each build on physical devices.
Data Safety
Published by DevToolKit Developer Tools’s developer on Google Play. It describes what the official app collects and shares, reproduced here so you can review it before installing.
- Data is encrypted in transitYour data is transferred over a secure connection
- Data can’t be deletedThe developer doesn’t provide a way for you to request that your data be deleted
View on Google PlayRetrieved 2026-10-02
Mod Review
This build suits Android developers who need to inspect regex matches, locate JSON errors, or check JWT expiration while away from a desktop. It is also relevant when timestamp values include offsets or fractional seconds, because those formats are accepted here. People using Android versions below 7.0 should skip it because that is the minimum requirement. Anyone expecting a general productivity suite should first consider whether these focused developer utilities match their work.
What the mod changes
The modification is labeled Premium Unlocked. It distinguishes this build from the free Google Play distribution of DevToolKit Developer Tools Mod. The listed developer tools remain the same: regex testing, JSON formatting, JWT decoding, timestamp handling, and Base64 image encoding. The Premium Unlocked label is the stated modification.
Pros
- The regex tester highlights every match, helping you inspect how a pattern behaves across the full text.
- JSON errors include line and column locations, so malformed content has a clear starting point for correction.
- The JWT decoder identifies expired tokens correctly, which matters when checking token validity during development work.
- Large Base64 image results can be shared as files, making output easier to pass to another app.
Cons
- DevToolKit Developer Tools Mod requires Android 7.0 or later, so older Android devices cannot run this build.
- Future official fixes to regex, JSON, JWT, timestamps, or Base64 output may leave this modified version behind.
Verdict
Install it when the listed data-format and text-testing tools match your regular Android workflow. Before installing, check that your device runs Android 7.0 or later and compare the available build with the current official release.
FAQ
What does Premium Unlocked change in DevToolKit Developer Tools?
This build is labeled Premium Unlocked. The label is the stated modification, while the app continues to include its regex, JSON, JWT, timestamp, and Base64 image tools.
How does the JSON formatter help find errors?
The JSON formatter reports errors with a line and column location. It also keeps numbers exactly as they were written when formatting JSON.
What changed in the regex tester?
The regex tester no longer freezes on slow patterns. It also highlights every match, so you can review all matching sections in the tested text.
Can DevToolKit Developer Tools work with timestamps that include offsets?
Yes. Timestamp handling accepts time zone offsets and fractional seconds. This supports timestamp values that contain more detailed time information.
What Android version is required for DevToolKit Developer Tools?
DevToolKit Developer Tools requires Android 7.0 or later as a minimum requirement. Check your device version before installing version 1.0.4.