chaaam.
FREE CHAAAM OFFICE HELPERS

Convert text case in seconds

Switch letter case, clean spacing and copy or download the result.

✓ Free✓ No registration✓ Browser-only processing

Join images into one picture

Add your files, adjust the options, then download the result. Files are processed on your device.

Drag files here or use the file picker

PDF tools accept PDF. Image tools accept JPG, PNG and WebP.

    PDF tools

    Merge PDFCombine documents Extract PDFSelect pages Visual Rotate PDFPreview and rotate View PDFRead in browser Visual Sign PDFDrag signature Bulk Sign PDFSign multiple PDFs Delete PDF PagesRemove pages visually Split PDFOne page per file PDF to PNGExport page pictures Add Text to PDFOverlay notes Watermark PDFDraft and labels Page NumbersNumber pages Images to PDFPhotos to pages

    Image and photo tools

    Merge ImagesJoin pictures Resize ImageChange dimensions Compress ImageReduce file size Crop ImageCenter crop Convert ImagePNG, JPG, WebP Rotate ImageRotate and flip Photo Size & KBExact px and KB

    Everyday office helpers

    Word CounterWords and reading time Text CaseChange capitalization CSV to JSONConvert spreadsheets

    How to use convert text case in seconds

    Useful for preparing headings, documents and simple notes. Text remains in the browser and is not uploaded to CHAAAM.

    1. Paste your source text.
    2. Choose an uppercase, lowercase, title or sentence-case option.
    3. Copy or download the edited text.

    Important: Automatic title case and sentence case are simple formatting aids. Proofread names, acronyms, non-Latin scripts and proper nouns.

    Try more free CHAAAM Office Tools, or use CHAAAM AI search for intelligent assistants.