One precise workbench for files, data, media, and developer formats. Everything runs inside your browser—your content never crosses the wire.
Converters change representation. Utilities answer one focused question. Studios compare or inspect. Workflows repeat a sequence.
Showing a short, varied starting set. Choose a type or search to reach the full registry instantly.
Choose an exact source and destination, or let the workbench detect what you dropped.
Open workspace Utility drawerUse a focused utilityGet one immediate answer: format JSON, decode a JWT, compare text, calculate, or inspect.
Open workspace Universal inspectorInspect any fileIdentify format evidence, signatures, size, hashes, entropy, and safe next actions.
Open workspace Comparison studiosCompare two versionsUse purpose-built comparisons for text, JSON, configuration, colors, files, or output formats.
Open workspace Folder migrationMigrate a folderDrop a folder, preview the route and resource cost, preserve paths, then convert as a batch.
Open workspace Workflow builderBuild a reusable workflowChain only compatible conversions, branch outputs, review fidelity, and share a content-free recipe.
Open workspaceUse this when you know—or want us to detect—the source and target formats. For one focused answer such as “is this JSON valid?”, choose a utility above instead.
Drop a file or paste text. OmniCastConverter detects it, shows compatible outputs, and works entirely on this device.
Recommendations use the registered target format and tested fidelity classification. They never inspect or upload your content.
output.yamlA pipeline feeds each result directly into the next compatible converter. Use one when the destination needs an intermediate representation or when you want to inspect and normalize that middle format.
JSON → CSV → XLSX turns records into rows before building a workbook.Markdown → HTML → DOCX resolves markup before creating a document.SVG → PNG → PDF intentionally flattens vector artwork before placing it on a page.Add content above to start. Nothing leaves this browser.
Format JSON, inspect JWTs, compare text, test regular expressions, and handle small developer jobs without an upload.
Each recipe explains why an intermediate representation helps. Content passes between compatible steps in memory only.
Validate, explore, query, and compare structured API data without pasting it into an online service.
Profile a delimited export, normalize it, and package it as a modern workbook.
Create smaller modern image variants while retaining an interoperable fallback.
Decode a JWT, inspect time claims, and verify it with the correct local key when available.
Normalize structured configuration before comparing semantic changes.
Run OCR locally and create a PDF with a selectable text layer.
Load into builder →Inventory and download images, audio, and video embedded in a PowerPoint package.
Load into builder →Normalize subtitle timing into WebVTT and inspect cues in a timeline table.
Load into builder →Use “from to target,” a format pair, or a common task name. Minor typos are tolerated; press Enter to open the best match.
Every published route is implemented, documented, and linked to compatible next steps.
Structured data, spreadsheets, schemas, and tables.
225 converters →02Text & encodingMarkup, encodings, cleanup, and transformations.
83 converters →03Images & graphicsPrivate browser-native raster and SVG conversions.
260 converters →04DocumentsPDF, DOCX, and print-ready workflows.
135 converters →05Audio, video & subtitlesOn-device media conversion powered by WebAssembly.
546 converters →06ArchivesPack, unpack, and compress without uploading.
54 converters →07Developer toolsSchemas, components, URLs, and code-oriented formats.
30 converters →08Specialist toolsQR codes and focused utilities.
213 converters →There is no upload endpoint because OmniCastConverter does not need one. Browser APIs and pinned WebAssembly engines do the work locally. Presets store only tool choices—never file names or content.