
Base64Encode.dev
base64s
Base64.ai
Base64-Image.org
Base64Image.org
Decode Tools
CyberChef
Toolstack is a free collection of fast, private online developer utilities that run 100% in your browser. Compress PDFs, resize images, decode Base64, convert HEIC to JPG, validate JSON, and count words - with no uploads, no account, and no limits.
CyberChef
DevToys
Base64Encode.dev
AppErgo
base64s
CryptoTools.tech
CipherKit.app
Web app and framework offering modular conversion, encoding and encryption

Which is more popular?
Based on our record, Cryptii seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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Cryptii
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| Website | toolstack.tools | cryptii.com |
| Listed in |
In their own words, as submitted to SaaSHub.

Toolstack offers 40+ free client-side tools in English and German: PDF Compressor, Image Compressor & Resizer, HEIC to JPG Converter, Word Counter, Base64 Encoder/Decoder, URL Encoder & Decoder, JSON Validator & Formatter, UUID Generator, Unix Timestamp Converter, Hash Generator...
No description of Cryptii yet.
What each product offers, as listed by its team.

Possible disadvantages
An editorial look at what each product does well and who it suits.

No analysis of ToolStack.tools yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ToolStack.tools and Cryptii. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking ToolStack.tools since Oct 2026.
Cryptii.com rounds out our top 5 with its versatile encode and decode platform that handles Base64 alongside numerous other encoding schemes. - Source: dev.to / about 1 year ago
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Extract text, data, photos and more from all types of docs
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Convert images to Base64 and back, locally in your browser
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