Donezo Can

Convert anything.
Leave no trace.

A free online file converter for images, video, audio, PDFs, documents and data. Convert, trim, merge, compress and extract in your browser. Nothing leaves your device.

Open Can Free. No sign-up.
DonezoCan AI
100% LOCAL · ZERO UPLOAD · WORKS OFFLINE
Your files are processed locally. Nothing is uploaded. Nothing is stored.
Drop your files here Images · Video · Audio · PDFs · Documents · Data · Text or click anywhere to browse · up to 200 MB per file Beast mode
1 · Files queued
Queued image preview inside Can: a full moon on black.
full-moon.webp55KB · image✓
2 · Choose action
Convert formatPNG · WebP
CompressPicks the best
Trace to SVGReal vectors
Remove backgroundEdge-sample
Compare formatsJPEG vs WebP
Merge to MarkdownCombine files
▶ ← Choose an action
Network: 0 requests
200 MBper file, in the browser
7 file familiesimages to data to text
0 requestson the network while it runs
0 accountsnothing to sign up for
01 · Job: convert and move on

Converted in seconds. Never uploaded.

Can reads what you drop and shows only the actions that fit: PNG to WEBP, HEIC to JPG, video to WAV audio, image to real SVG, PDF to text. Pick one, run, download. No upload, no server queue: the work happens on your machine.

Need more? Continue with this file and chain the next action. One tab, start to finish.

Queue, action, run. The network counter never moves.

Run your first file
Your files are processed locally. Nothing is uploaded. Nothing is stored.5 files queued
1Files queued5
live-set-01.mp323.53MB · audioMerging…✓
live-set-02.mp315.56MB · audioMerging…✓
live-set-03.mp311.20MB · audioMerging…✓
live-set-04.mp313.82MB · audioMerging…✓
live-set-05.mp313.93MB · audioMerging…✓
+ Add more files
Results 1 file converted
WAVmerged-5-clips.wav78.03MB → 329.77MBDownload
→ Continue with this file
2Choose action
Merge to MarkdownCombine files
Convert audioWAV · AIFF
Trim audioCut start and end
Merge to HTMLAll files in one
Merge audioCombine clips
File checksumSHA-256 + MD5
Normalize audioBalance volume
Fade in / outLinear amplitude
Reduce noiseClean the track
5 clips ready. Joined in queue order. Output: WAV.
3Run
▶ Merge audio · 5 filesMerging audio…All done. Add more files to convert again
↺ Start over
Network: 0 requests
02 · Job: merge a set into one track

Queue it all. One track.

Merge MP3s and audio clips online without an editor: queue them in any order, any number, and merge. Press play: 32 minutes, scrubbable, ready for any player. No timeline, no upload.

Your order is the running order. Master it for a platform next.

Merge a set
merged-5-clips.wavWAV · 32:40
01merged-5-clips.wav32:40
08:3417:0527:1932:40
⏮ ❚❚ ⏭
Network: 0 requests
03 · Job: ship lighter images

Same image. Eight times lighter.

Convert to WEBP. 1.46 MB in, 183 KB out. Same pixels, 88 percent lighter.

Extract colors hands you the palette. Remove background, crop, watermark, strip EXIF: 19 image actions on one queue.

Shrink an image
amsterdam-canal.png1024 × 1024 · 1.46 MBConvert formatExtract colorsCompressRemove background
A monochrome Amsterdam canal where only the trees are green.
#151611 #555e36 #3b3f2d #2b2d24 #c5c6c3
PNG1.46 MBamsterdam-canal.png
WEBP183 KB88% smaller · Download
Network: 0 requests
04 · Job: pull what you need from a video

Pull what you need from any video.

Extract the audio as a WAV. Grab a frame. Pull the words out with Video to Text.

Trim, merge, re-encode, watermark, crop: 11 video actions. This clip: 2.37 MB in, 690.9 KB of audio out.

Extract from a video
Your files are processed locally. Nothing is uploaded. Nothing is stored.1 file queued
Queued video preview: the Amsterdam harbor at dusk.
amsterdam-harbor.mp42.37MB · video✓
Extract audioVideo → WAV
Extract frameVideo snapshot
Video to TextExtract the words
Trim videoCut start and end
Re-encodeWebM
Merge videosCombine clips
Extracts the full audio track as a WAV file.
▶ Extract audioExtracting audio…All done. Add more files to convert again
Results 1 file · 1.70MB saved
WAVamsterdam-harbor-audio.wav2.37MB → 690.9KB · −72%Download
→ Continue with this file
Network: 0 requests
05 · Job: one document from everything

A hundred files. One Markdown.

Combine PDFs, Word documents, spreadsheets, CSVs and images into one Markdown file. Drop the whole folder, a hundred files or more. One clean document out, contents on top, stats per section.

Your files are processed locally. Nothing is uploaded. Nothing is stored.9 files queued
pulse-analytics-data.csv ESIC tool for comparison.pdf Offer & Condition.pdf MACHTIGING.docx Sparktoro Hero.png leads-23153027-1.xlsx + 3 more
File orderDrop orderA-ZBy type TOC at topFile stats per section
9files2text7binary 516words3.1 MBsize
▶ Merge to Markdown · 9 files
Network: 0 requests
Merged-Files157 lines · 8,111 chars · 8.0 KB
Contents 1. pulse-analytics-data.csv 2. ESIC tool for comparison.pdf (binary) 3. Offer & Condition.pdf (binary) 4. MACHTIGING.docx (binary) 5. leads-23153027-1.xlsx (binary) <!-- DZ:FILE-BOUNDARY:START name="pulse-analytics-data.csv" --> Type,Label,Value,Category "campaign","Summer Sale","28000","revenue" "campaign","Product Launch","42000","revenue"
Copy markdownDownload .mdDownload PDFView rawEdit again
Network: 0 requests

Text embedded in full. Binaries referenced, never bloating. Drag to reorder. Edit again anytime.

Merge a folder
06 · Job: compose the whole day

Everything you collect, one export

Beast mode is one canvas for the whole day. Scroll through what lands in it.

Notes and screenshots land in zonesType, paste or drop. Each zone keeps its own time and its own note.
Paste leads, get a tableA LinkedIn profile becomes eight editable columns. Google Maps becomes CSV rows.
Sketch interfaces with ready componentsButtons, inputs, toggles, grids. Save PNG or convert it like any file.
Chain a sales process in mindmapIdeas link into chains. Qualify, nurture, demo, close.
Export the whole day as one filePDF, MD, HTML, DOCX, PPTX or ZIP. Run AI per zone with your own key.
Open Beast mode
Beast mode Type a note, paste a link, or drop a file…Send the merged set to the team ↵ to add
1Note09:14
2Screenshots1 image · 11:02
Network: 0 requests
3Leads · pasted from LinkedInColumns · 8
NameHeadlineCompanyLocation
M. van DijkFounderNoorderlichtRotterdam, NL
A. VisserHead of OpsHalfweg BVAmsterdam, NL
SummarizeTranslateConvert dataCSV → ExcelCustom prompt
Add a note about this zone…
Network: 0 requests
SketchBeast zone · 2500 × 1500
+ ComponentGrid Save PNG
Layers (7) 2500 × 1500
→ Convert ⌄
Network: 0 requests
MindmapBeast zone · Sales process
+→ Save PNG
→ Convert ⌄
Network: 0 requests
ExportThe whole day, one file
Nothing leaves your browser. Cleared when you close this tab. Export all asPDFMDHTMLDOCXPPTXZIP
Network: 0 requests
07 · Job: from leads to outreach

Paste a profile. Send a campaign.

Paste a profile you are looking at. Get an eight column table, every cell editable.

One template with variables. A personal message per lead. Copy to Gmail or Outlook, mark done, next. Export CSV when finished.

Files, notes and leads leave in one export, from one tab.

Build a campaign
LinkedIn Profiles · 2Import CSVOpen in: Gmail · Outlook · Default mail
Template
Subject: Quick thought on {{current_company}}
Hi {{name}}, came across your work at {{current_company}}. Your background in {{top_skills_first}} stood out, especially in the {{location}} ecosystem. Three minute read if you are open. No pitch.
M. van DijkFounder · Noorderlicht · Rotterdam1 of 2
Hi M. van Dijk, came across your work at Noorderlicht. Your background in operations stood out, especially in the Rotterdam ecosystem. Three minute read if you are open. No pitch.
CopyMark done, next
A. VisserHead of Ops · Halfweg BV · Amsterdam2 of 2
Hi A. Visser, came across your work at Halfweg BV. Your background in logistics stood out, especially in the Amsterdam ecosystem. Three minute read if you are open. No pitch.
CopyMark done, next
Personalize campaignExport CSVReset
Network: 0 requests
The full surface

Every job it covers

By the job, not the feature name.

Open the app
Convert almost anything19 image actions, 11 for video, 17 for audio, 7 for PDFs, plus documents, data and text. Drop a file in, pick where it needs to go, get it back in seconds.
Audio that shipsMaster a track against 8 platform targets. Enhance with 4 presets, reduce noise, EQ and compress dynamics. Merge clips in queue order into one clean file.
Remove a backgroundA real segmentation model runs locally in your browser. First use downloads it once, after that it is instant. Complex scenes, busy backgrounds, dark subjects.
Trace to real vectorsTurn a logo or icon into actual vector paths, not a picture pretending to be one. Holes in your artwork come out as real holes, not filled-in blobs.
Merge without losing anythingPDFs keep text selectable and searchable. Video keeps its audio. CSVs become one clean sheet. Mixed folders become one Markdown. The point of merging is keeping what you had.
Turn pastes into dataPaste a LinkedIn profile you are looking at and it becomes an eight column table, every cell editable. Paste a place from Google Maps and it lands as a structured row you can export to CSV.
Pull a page apartPaste a link and get clean text, markdown, an offline copy, or every image on the page, fetched by your own browser. If a site blocks it, Can says why and shows the workaround.
The small utilitiesQR codes, password generation, hashing, timestamp and colour conversion. The things that would otherwise mean opening five different sites.
08 · Job: think, not spend

AI that thinks. Can that converts.

The Guardian is built to minimize token usage. Can converts. AI thinks. Your tokens go where they matter.

Summarize files. Analyze data. Write code. Collaborate zone by zone in Beast mode.

Give it vault access to other apps and ask for reports. Your key, Anthropic or OpenAI, straight to your provider. Donezo never sees it.

Meet the Guardian
Guardian · CanYour key · Anthropic / OpenAI
report.pdfdata.csvnotes.md+ Add files
Summarize these and draft the weekly report
Guardian
Vault accessHub ✓Docs ✓Grids +
Token economy
File work · handled by Can0 tokens
Reasoning · your keyonly the thinking
Network: only your provider, with your key
Privacy

Architecture, not a promise

Free converters are free because you pay with the file. Can is built so that trade is impossible. Check it yourself in under a minute.

Open DevToolsWatch the network tab while you convert a file. Nothing goes out.
Turn off your WiFiOnce the page has loaded, everything still works.
No accountNot for most of it. For any of it.
Clear your dataCan goes with it. That is expected, and it is why Can is for getting something done rather than storing it.

Can has no vault. There is nothing to keep because nothing is kept.

FAQ

Quick answers

Is Donezo Can really free?

Yes. The converter and the composer are free to use, with no account, no trial clock and no watermark.

Do my files get uploaded anywhere?

No. Every conversion runs inside your browser on your own machine. The app shows a live network counter, and it stays at zero requests while you work.

What can it convert?

Images (PNG, JPG, WEBP, HEIC), video, audio, PDFs, documents, data and text: 19 image actions, 11 for video, 17 for audio and 7 for PDFs, plus merging, extraction and the small utilities.

Can I merge files into one?

Yes. Merge audio clips into one track, merge videos, and combine PDFs, Word documents, spreadsheets and images into a single Markdown document.

Does it work offline?

Once the page has loaded, it keeps working without a connection. Turn off your wifi and try it.

Open it. Use it.
Close it.

No account. No upload. No server.

Open Can
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Where next

DocsLocal-first documents with real pages. SecurityLocal first, sealed files, a backup you choose. The four appsCan, Docs, Grid and Make in one private space.