Best alternatives to Upper Lower - Text Case Converter (2026)
8 Chrome extensions that do a similar job to Upper Lower, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
Upper Lower - Text Case Converter today
Upper Lower alternatives, compared
- 1
Case Converter - Upper Case to Lower Case
Easily convert your text to uppercase or lowercase with the Case Converter Chrome extension!
≈1K users5.0★ from 2 ratingsUpdated 7 months ago1 permissions- A similar number of users to Upper Lower
- Updated more recently
- Asks for fewer permissions (1 vs 3)
- 2
AIFreeBox TextHelper: Case Converter
Transform text case, count characters with social media limits, analyze keyword frequency - all in one powerful text tool.AIFreeBox
≈1K users5.0★ from 3 ratingsUpdated 18 months agoNo special permissions- A similar number of users to Upper Lower
- Updated more recently
- Asks for fewer permissions (0 vs 3)
- 3
WebP to JPG Converter
Easily convert WebP to JPG with this Chrome extension! With just a few clicks quickly to convert to JPG and download any pictures.
≈50K users3.9★ from 30 ratingsNot updated for 2+ years5 permissions- About 50× more users than Upper Lower
- Updated less recently
- Asks for more permissions (5 vs 3)
- 4
Convert Picture to Text
Convert Picture to Text: Effortlessly extract text from picture with our powerful Chrome extension. Simplify convert image to text.
≈50K users4.8★ from 517 ratingsNot updated for 2+ years4 permissions- About 50× more users than Upper Lower
- Updated less recently
- Asks for more permissions (4 vs 3)
- 5
WebP to PNG Converter
Easily convert WebP to PNG with this Chrome extension! With just a few clicks quickly to convert to PNG and download any pictures.
≈7K users4.0★ from 16 ratingsNot updated for 2+ years5 permissions- About 7.0× more users than Upper Lower
- Updated less recently
- Asks for more permissions (5 vs 3)
- 6
MP3 Converter
Pure JavaScript MP3 converter to encode media files into MP3 format and add ID3 Tags
≈60K users4.3★ from 90 ratingsUpdated 14 months ago4 permissions- About 60× more users than Upper Lower
- Updated more recently
- Asks for more permissions (4 vs 3)
- 7
MP4 to MP3 converter
Use the MP4 to MP3 app for fast and high-quality conversion from mp4 to mp3, absolutely free.
≈9K users4.5★ from 26 ratingsNot updated for 2+ years3 permissions- About 9.0× more users than Upper Lower
- Updated less recently
- 8
New Tab Quick PDF Converter
Convert PDF and search the web on each new tab, quick and easy to use
≈1K usersNot rated yetNot updated for 3+ years4 permissions- A similar number of users to Upper Lower
- Updated less recently
- Asks for more permissions (4 vs 3)
Upper Lower alternatives: questions
What is the best alternative to Upper Lower?
By users, the most popular alternative is MP3 Converter with ≈60K users and a 4.3-star rating. The closest match by what it does is Case Converter - Upper Case to Lower Case.
Which Upper Lower alternative has the best rating?
Convert Picture to Text has the highest rating of these alternatives with 50+ ratings: 4.8 out of 5 from 517 ratings.
Is there a Upper Lower alternative that asks for fewer permissions?
AIFreeBox TextHelper: Case Converter asks for 0 permissions, against 3 for Upper Lower.
How many alternatives to Upper Lower are there?
We list 8 close alternatives to Upper Lower on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.