
NASM
flat assembler
Easy code
Pelles C
JWasm
Yasm is a complete rewrite of the NASM assembler.

JSONFormatter.org
Decodebase64.io
CyberChef
Base64.ai
All Over Tools
DevToys
Image to Base64 Converter
Base64 Encode and Decode Online

Which is more popular?
Based on our record, Yasm seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | yasm.tortall.net | base64encode.dev |
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In their own words, as submitted to SaaSHub.


No description of Yasm yet.
Need to convert text quickly? Use this free Base64 Encode & Decode online tool to encode or decode data instantly. Fast, secure, and works directly in your browser.
What each product offers, as listed by its team.


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


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Recommended for
Walkthroughs and reviews on video.
Spelunky Classic! Mod Review- YASM 1.7
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Recommendations tracked on public social media and blogs since March 2021.


Trust me, at least on Intel, you do not want to write assembly inside your C/C++ code, unless it's just a couple of lines. The usual AT&T syntax will drive you nuts, and the additional syntax for embedding assembly only adds to the... - Source: Hacker News / almost 3 years ago
Things like yasm only have tasm support...not sure if that will be enough in your case. Source: over 4 years ago
Can also recommend the rewrite of NASM, YASM. https://yasm.tortall.net/. - Source: Hacker News / almost 5 years ago
Tracking Base64Encode.dev since Jan 2026.
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Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
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A fast and efficient self-assembling x86 assembler for DOS, Windows and Linux.
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Our Base64 Decoder converts Base64 encoded data back to its original format, including text, binary, and images. It’s a fast, free, and easy to use tool.
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Easy Code is the visual assembly programming environment made to build 32-bit Windows applications.
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