Tools

15 free tools that show what's hidden in text, images, video and documents, and clean it when you want. No account, no uploads.

Not sure where to start?

Which tool do I need?

Pick what you have in front of you. Every tool opens with a working example, so you can see what it finds before you add your own file.

All tools run in your browser. Nothing you check is uploaded or stored.

Text

Find invisible characters, odd spaces and hidden messages, then copy a clean version.

Paste textFreeInvisible character checkerFind and remove zero-width spaces, hidden tag messages and odd spaces in any text.Open the toolPaste textFreeRemove zero-width spacesFind and delete zero-width spaces, joiners and other invisible characters in any text.Open the toolPaste textFreeChatGPT text cleanerStrip hidden characters and odd spaces from AI chatbot text before you paste it anywhere.Open the toolPaste textFreeEm dash removerReplace em dashes and en dashes with plain hyphens or commas, in one paste.Open the toolPaste textFreeNon-breaking space removerTurn non-breaking and special-width spaces back into normal spaces.Open the toolPaste textFreeHidden message decoderReveal and decode invisible Unicode tag messages hidden inside ordinary text.Open the tool

Guides for thisDoes ChatGPT watermark text?Why copied text breaks formatting

AI images and video

See what an image or video says about how it was made, and who made it.

JPEG · PNG · WebPFreeAI image checkerSee if an image's own metadata or Content Credentials say it was made with AI.Open the toolJPEG · PNG · WebPFreeContent Credentials checkerSee if an image carries C2PA Content Credentials and whether they say AI made it.Open the toolMP4 · MOVFreeAI video checkerCheck MP4 and MOV videos for Content Credentials, AI labels, GPS location and device details.Open the toolJPEG · PNG · WebPFreeAI image prompt readerRead the prompt, seed and settings saved inside Stable Diffusion and ComfyUI images.Open the tool

Guides for thisHow to tell if an image is AI-generatedSynthID explainedWhat's inside ChatGPT and Gemini images

Photos

See and remove the location, camera and date details inside your photos.

JPEG · PNG · WebPFreeRemove location from photosStrip GPS, camera and date details from a photo before you share it.Open the toolJPEG · PNG · WebPFreeEXIF viewerSee the GPS location, camera, date and software details stored inside a photo.Open the toolJPEG · PNG · WebPFreePhoto metadata removerStrip EXIF, XMP and text metadata from JPEG and PNG photos without losing quality.Open the tool

Guides for thisRemove location from photos on iPhoneRemove location from photos on AndroidWhich apps remove photo metadata?

Word, Excel, PowerPoint and PDF

Find author names, comments, tracked changes and hidden content before you send a file.

DOCX · XLSX · PPTX · PDFFreeWord and PDF metadata viewerSee the author, company, comments, tracked changes and hidden text inside Word, Excel, PowerPoint and PDF files.Open the tool

Guides for thisRemove metadata from Word documentsRemove metadata from PDFs

Using AI openly

Say clearly how you used AI, with citations ready to paste.

Answer 5 questionsFreeAI disclosure statement generatorWrite an honest AI use statement for school, work, publishing or social media, with APA and MLA citations.Open the tool

Guides for thisDoes Claude watermark text?Does ChatGPT watermark text?

Want to understand it first?

Our guides explain what each kind of file hides, in plain English.

Read the 12 guides