Ref4
@ref4.com
Explore Ref4’s 100+ free online tools to convert, edit, compress, and manage files instantly. From PDF and image tools to AI text generators, Ref4 is your complete online toolbox for work, study, and creativity.
Ref4's Company Logos
Ref4's Brand Colors
Hex Code
Color name
RGB
HSL
CMYK
#0E5BBE
Denim
14, 91, 190
214, 86, 40
93, 52, 0, 25
#1F283E
Mirage
31, 40, 62
223, 33, 18
50, 35, 0, 76
#FFAD46
Yellow Orange
255, 173, 70
33, 100, 64
0, 32, 73, 0
About Ref4
Ref4 is an online toolbox offering more than 100 free tools for converting, editing, compressing, and managing files. Designed for work, study, and creative projects, it brings image and PDF utilities together with code, text, and AI-assisted services, accessible through a web browser without software installation.
Image tools support conversions among PNG, JPG, WEBP, and SVG formats, as well as image resizing, compression, and metadata editing. PDF services include merging and splitting files, removing pages, compressing documents, and converting between PDF, images, and Word formats. Ref4 also provides utilities such as QR code generation, HTML beautification and minification, JSON formatting and validation, code and text comparison, case conversion, SEO favicon generation, and URL encoding and decoding. The site additionally describes AI-powered assistants for text generation, code cleanup, and creative productivity.
Ref4 emphasizes quick, straightforward processing across browsers. It states that uploads are handled securely and files are automatically deleted, making the tools suitable for everyday document and media workflows. Users can access its services online without installing applications.
Brand industry
Computers Electronics and Technology
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