File Previewing

Preview everything. Download nothing.

Watch videos, view images, listen to audio, read PDFs, and inspect code files directly in your browser. No software to install. No files cluttering your Downloads folder.

30+ File Types
Instant Streaming
Free On All Plans
Zero Downloads Needed
Supported formats

File types you can preview

Click any file in your dashboard and it opens instantly. No plugins, no third-party viewers.

Category Formats What you get
Images
JPGPNGGIFWebPSVGBMPICOAVIF
Full-resolution viewer with zoom and pan
Videos
MP4WebMMOVOGG
Streaming player with playback controls, seek, and fullscreen
Audio
MP3WAVOGGAACFLACWebM
Built-in audio player with waveform, seek, and volume
Documents
PDF
Page-by-page reader with zoom and search
Code & Text
JSTSPYJSONHTMLCSSXMLYAMLMDTXTCSVLOG
Syntax-highlighted viewer with line numbers
Scenario

How a design team reviews assets without downloading

1
The designer uploads the deliverables A graphic designer uploads 120 files to a workspace: PNGs, SVGs, a brand guidelines PDF, and 3 video walkthroughs in MP4. Total: 8 GB.
2
The client opens the share link The client gets a share link and opens it in their browser. They click through the images at full resolution, read the 40-page PDF inline, and watch all 3 videos without downloading a single file. No app required.
3
They leave comments on specific files The client previews a hero image, spots a color issue, and leaves a comment directly on that file: "The blue is too saturated in the header." No need to describe which file or download it to annotate.
4
Only the final assets get downloaded After two rounds of revisions, the client downloads only the 15 approved final files. Instead of downloading 8 GB to review, they downloaded 400 MB of approved work.
Scenario

How a producer reviews video cuts on the go

1
The editor uploads a 20 GB rough cut A video editor finishes a rough cut and uploads the MP4 to the shared workspace. The file is 20 GB, encoded in H.264.
2
The producer watches it from a hotel room The producer is travelling and opens the file on their iPad. The video streams instantly from the nearest edge server. No need to download 20 GB on hotel Wi-Fi. They scrub through the timeline, pause, and take notes.
3
Quick feedback, no waiting The producer leaves a comment: "Cut the intro from 0:00 to 0:12, it drags." The editor sees the comment immediately and starts the revision. Total time from upload to feedback: 15 minutes. Nobody downloaded a single byte.

Streaming, not downloading

Videos and audio stream from dosya.dev's 200+ edge servers. Playback starts immediately, even for multi-gigabyte files. Seek anywhere in the timeline without waiting for the full file to buffer.

Scenario

How a developer shares config files with a client

1
The developer uploads deployment configs A DevOps engineer uploads a set of YAML, JSON, and shell script files to a workspace. They need the client's infrastructure team to review the configuration before deploying.
2
The client reads code in the browser The client opens each file directly in dosya.dev. Syntax highlighting and line numbers make the YAML and JSON files easy to read, just like in a code editor. No need to install VS Code or clone a repo.
3
They comment on the file The client spots an incorrect port number in the YAML and leaves a comment: "Port 8080 should be 443 for production." The developer fixes it, re-uploads, and the client verifies the change, all without downloading.
Features

Built for fast, effortless previewing

Instant Loading

Files stream from the nearest edge server. Preview starts immediately, even for large files.

Video Streaming

Watch MP4, WebM, and MOV files with full playback controls. Seek anywhere without buffering the entire file.

Syntax Highlighting

Code and config files render with syntax colors and line numbers. Read code like you would in an editor.

Image Viewer

Full-resolution images with zoom and pan. Supports JPG, PNG, GIF, WebP, SVG, and more.

PDF Reader

Read PDFs page by page with zoom, search, and smooth scrolling. No Acrobat needed.

Share Link Previews

Recipients can preview files from share links without creating an account or downloading anything.

Use cases

Who benefits from file previewing

Creative Teams

Clients review images, videos, and PDFs in the browser. No more "I can't open this file" emails. Feedback happens inline.

Education

Students submit assignments as PDFs and code files. Professors review and comment without downloading hundreds of files.

Music & Podcasts

Share audio tracks with collaborators. They listen directly in the browser with the built-in player. No need to download MP3s or WAVs first.

Data & Engineering

Preview CSV data, JSON payloads, YAML configs, and log files with syntax highlighting. Faster than cloning a repo.

dosya.dev is not a streaming service

File previewing is designed for legitimate file sharing and collaboration. If any user is found using dosya.dev to stream or distribute illegal, pirated, or unauthorized content, we reserve the right to immediately cancel your subscription and permanently remove your data without refund.

Stop downloading. Start previewing.

Images, videos, PDFs, code files, all viewable in your browser. Free on every plan.

No credit card required. Free forever up to 5 GB.