How to Convert HTM to HTML — Quick & Free
Fast, instant HTM to HTML conversion. No signup required. Just drop your .htm file and get .html in seconds.
Batch Settings
Bien que les extensions de fichier .htm et .html soient souvent utilisées de manière interchangeable pour désigner des pages web, des subtilités peuvent exister, notamment dans des contextes où la précision technique et la compatibilité des systèmes sont primordiales. Historiquement, l'extension .htm était privilégiée par certains systèmes d'exploitation limitant les noms de fichiers à trois caractères, mais aujourd'hui, .html est l'extension standard et la plus répandue. La conversion d'un fichier .htm en .html n'implique généralement pas de modification du contenu sous-jacent, mais plutôt une harmonisation syntaxique de l'extension. Cette démarche assure une meilleure reconnaissance par les navigateurs modernes et les outils de développement, garantissant ainsi une interopérabilité optimale et une pérennité accrue de vos documents numériques. Notre outil vous accompagne dans cette simple, mais parfois nécessaire, standardisation.
- Archivage de documents administratifs québécois
- Publication académique suisse
- Normalisation de maquettes web belges
Au Québec, l'usage de .htm pour des documents web plus anciens est encore observable dans certaines archives, rendant la conversion en .html pertinente pour une consultation facilitée sur des plateformes modernes.
About HTM to HTML Conversion
Short answer: yes, you can convert HTM to HTML online for free, and quality is well preserved with the right settings. Just upload your .htm file to CocoConvert, pick HTML as the output, and click Convert. The whole process takes seconds.
Now for the details. HTM is a widely used file format. HTML (HyperText Markup Language) is the standard language for web pages. Converting between these two formats lets you convert between formats quickly.
Your HTM file is decoded and re-encoded as HTML. Converting HTM to HTML maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.
Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.
How to Convert HTM to HTML
- 1
1. Upload HTM
Drop your .htm file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select HTML
Choose .html from the output dropdown. Settings are pre-configured for best results.
- 3
3. Convert
One click. The server handles all the heavy lifting using FFmpeg and Sharp.
- 4
4. Download
Your .html file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert HTM to HTML
Your HTM file is decoded and re-encoded as HTML.
Your HTM file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in HTML format
The converted file is ready for download
Format Comparison
HTM
.htm file
| Extension | .htm |
| MIME Type | text/html |
| Category | Document |
HTML
.html file
| Extension | .html |
| MIME Type | text/html |
| Category | Document |
Should You Convert HTM to HTML?
When to Convert
- ✓When you need a HTML file
Frequently Asked Questions
Is HTM to HTML conversion free?
Yes. CocoConvert offers free HTM to HTML conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.
How fast is HTM to HTML conversion?
Most files convert in 2–10 seconds depending on size. Large document files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded HTM file and the converted HTML file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting HTM to HTML lose quality?
Converting HTM to HTML maintains high quality with CocoConvert's optimised encoder settings.
Can I convert HTML back to HTM?
Yes, CocoConvert supports HTML to HTM conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.