#1
LibreTranslate
Free
Open Source
Works Offline
Free, open-source machine translation API - self-hosted and offline
📱 windows, macos, linux💾 4GB+ RAM✅ Works on CPU
13,726 stars
today
Best DeepL Alternatives for Local & Offline Use
A curated collection of the 7 best local alternatives to DeepL.
7 Free Options
7 Work Offline
7 Open Source
Looking for DeepL alternatives that you can run locally? The best local alternative is LibreTranslate. We've compiled a ranked list of 7 alternatives.
Top 7 DeepL Alternatives (2026)
#2
Argos Translate
Free
Open Source
Works Offline
Open-source offline translation library using OpenNMT
📱 windows, macos, linux💾 2GB+ RAM✅ Works on CPU
5,637 stars
6 days ago
#3
LTEngine
Free
Open Source
Works Offline
LLM-powered translation engine compatible with LibreTranslate
📱 windows, macos, linux💾 8GB+ RAM✅ Works on CPU
#4
OPUS-MT
Free
Open Source
Works Offline
Neural machine translation for hundreds of language pairs
📱 windows, macos, linux💾 4GB+ RAM✅ Works on CPU
#5
OPUS-CAT
Free
Open Source
Works Offline
Use OPUS-MT neural translation in professional CAT tools
📱 windows💾 4GB+ RAM✅ Works on CPU
#6
Marian NMT
Free
Open Source
Works Offline
Efficient neural machine translation by Microsoft Translator team
📱 windows, macos, linux💾 4GB+ RAM✅ Works on CPU
#7
Firefox Translate
Free
Open Source
Works Offline
Client-side translation in Firefox - text never leaves your computer
📱 windows, macos, linux💾 2GB+ RAM✅ Works on CPU
Frequently Asked Questions About DeepL Alternatives
What is the best DeepL alternative?
The best local DeepL alternative is LibreTranslate. Other top alternatives include Argos Translate, LTEngine, OPUS-MT.
Can I use DeepL offline?
DeepL itself requires an internet connection, but local alternatives like LibreTranslate, Argos Translate, LTEngine work 100% offline.
Is there a free DeepL alternative?
Yes! Many local alternatives to DeepL are completely free and open source, including LibreTranslate, Argos Translate, LTEngine.
How much does it cost to run DeepL locally?
Running AI locally is essentially free after your initial hardware. No monthly fees, no API costs, no usage limits.