
Decode and verify SSL/TLS certificates online. Extract X.509 details including issuer, validity, SAN, and fingerprint. Fast, secure, and browser-based.

Doclingo
iLovePDF
Smallpdf
Immersive Translate
PDFTranslator.org
Translate scanned and image-only PDFs while keeping the original layout — columns, tables, figures and numbers stay in place. 5 pages free, no credit card.

Which is more popular?
Based on our record, Cert Decoder 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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| Website | certdecoder.com | tryreglyph.com |
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In their own words, as submitted to SaaSHub.


Cert Decoder is a free online tool that helps you decode X.509 SSL/TLS certificates in PEM format. It instantly shows important information like the issuer, expiry date, SAN entries, and fingerprint. All data is processed locally in your browser, so nothing is ever sent or stored elsewhere.
No description of Reglyph 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.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Cert Decoder and Reglyph.
Cert Decoder's answer
I built certdecoder.com over the weekend for my own needs. Sometimes in my work, I need to verify and check certificate details.
Reglyph's answer:
Reglyph started from a simple frustration: existing tools could translate the words in a scanned document but couldn't give it back looking like the original. Rebuilding the layout by hand defeated the point. Reglyph was built to close that gap — combining OCR, image inpainting, machine translation, and automatic re-typesetting into one pipeline so a scanned PDF comes back translated and still looking like itself.
Cert Decoder's answer
certdecoder.com was built using just JavaScript and HTML—simple, fast, and with all processing happening locally in your browser, so no certificate data is sent to any server
Cert Decoder's answer
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Reglyph's answer:
People who need formatted or official documents translated, not just plain text. That includes immigrants and students translating certificates, transcripts, and diplomas for applications; businesses handling contracts, invoices, and reports; researchers working through foreign-language papers; and engineers reading technical manuals — anyone whose documents arrive as scans or photos and whose layout actually matters.
Cert Decoder's answer
Simple, fast, and reliable. Some similar tools can’t even decode basic certificates. I rigorously tested my tool with many real-world certificates and covered several edge cases where competitors fall short.
Reglyph's answer:
Because layout survives. Competitors either can't handle image-only scans at all, or they translate the text but destroy the formatting, leaving you to rebuild tables and structure by hand. Reglyph delivers a ready-to-use translated PDF that mirrors the source — across 19 languages, with correct handling of complex scripts (CJK, Arabic, Cyrillic, Devanagari, Thai). It's also priced for the job: pages are pages, with no surcharge for scanned files, and the first 5 pages are free with no credit card.
Cert Decoder's answer
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Reglyph's answer:
Reglyph translates scanned and image-only PDFs while keeping the original layout intact. Most translators extract the text and give you back a reflowed wall of words; Reglyph reads the page with OCR, erases the original text from the image, translates it, and re-typesets the result so columns, tables, figures, stamps, signatures, and numbers stay exactly where they were. The output looks like the original document, just in another language.
Share your experience with using Cert Decoder and Reglyph. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Why? Because I built certdecoder.com and couldn’t find a decent place to submit it. So I said screw it — I’ll build my own. With blackjack and hookers. - Source: dev.to / over 1 year ago
Tracking Reglyph since Jun 2026.