All 43 tools

Free, no sign-up, and nothing leaves your device.

Organise

Merge PDF: Glue files into one
Split PDF: Cut pages apart
Remove Pages: Tear out what you don't need
Reorder Pages: Put pages in the right order
Rotate PDF: Fix sideways pages
Duplicate Pages: Copy pages you need twice
Reverse Pages: Flip the page order
Halve Pages: Cut each page in two
Resize Pages: Make pages A4 or Letter

Convert

Word to PDF: .docx in, PDF out
Excel to PDF: Sheets, ready to send
Images to PDF: Photos into one PDF
Scan to PDF: Photos of paper, as a clean PDF
PDF to Word: Make it editable again
PDF to Images: Peel pages off as pictures
Extract Text: Pull out all the words
Extract Images: Save every picture inside
Make PDF Searchable: Scans you can search and copy

Edit

Fill PDF Form: Type into the fields of a PDF form
Add Text to PDF: Type anywhere on the page
Add Signature: Add your signature
Add Watermark: Stamp text across pages
Add Image Stamp: Put a logo or stamp on it
Page Numbers: Number every page

Compress & protect

Compress PDF: Squeeze it smaller
Grayscale PDF: Turn it black and white
Flatten PDF: Make forms and notes permanent
Edit Metadata: Change title and author
Protect PDF: Lock with a password
Unlock PDF: Remove a password you know

Cola Studio

Photos, video and audio. With AI, on your device.

With AI

Remove Background: The subject, without what is behind
Upscale Image: Small photos, bigger and sharper

Photos

Compress Image: Photos small enough to send
Resize Image: Change the size in pixels
Convert Image: JPG, PNG or WebP, from any photo
Crop Image: Keep the part of the photo you want
Passport Photo: Passport and ID photos to print

Video & audio

Compress Video: Videos small enough to send
Trim Video: Keep only the part you want
Video to MP4: Any video, as an MP4 that plays everywhere
Rotate Video: For the video filmed sideways
Video to MP3: The sound of a video, as an MP3
Audio to MP3: Voice notes and sounds, as MP3