Focused browser utilities

Open a tool.
Get something done.

Open practical tools for reading, accessibility, voice, and creative work without an account or a lengthy setup.

12available tools
0accounts required
Browserprimary workspace

Available now

Each tool has one job and a focused workspace.

Clear guidance, honest data notes, and a stable address come with every utility.

Available

Voice Studio

Turn text or PDFs into listenable narration with local extraction, English OCR, neural speech, and audio export.

  • Text, TXT, and PDF input with page ranges
  • Local PDF extraction and English OCR fallback
  • Kokoro neural and browser voice options
  • Long-form WAV and MP3 narration export
Useful forPDF listening · Audiobook drafts · Accessibility
Learn about Voice Studio
Available

Video Format Studio

Resize and reframe one source video for major social platforms while keeping the media in your browser.

  • YouTube, Shorts, Instagram, TikTok, Facebook, X, and LinkedIn presets
  • Fit, fill, blur, solid, and stretch framing controls
  • Local WebM rendering and MP4 conversion
  • Single-format and sequential batch export
Useful forSocial video · Reels and Shorts · Multi-format delivery
Learn about Video Format Studio
Available

Bionic Reader

A customizable PDF reading workspace with emphasis, themes, focus aids, progress, and export.

  • Browser-based PDF processing
  • Adjustable bionic reading strength
  • Reading ruler, themes, and typography
  • HTML and PDF-friendly exports
Useful forLong PDFs · Focus support · Custom reading views
Learn about Bionic Reader
Available

AppBuilder Studio

Design app blueprints, workflows, data schemas, themes, and exportable browser runtimes locally.

  • Blueprint screens, flows, and data models in one local workspace
  • Configure reusable themes and application structure
  • Export project data and browser-ready runtime files
Useful forEarly product planning · Interactive app prototypes · Structured handoff documents
Learn about AppBuilder Studio
Available

Aspect Studio

Resize, crop, reframe, compare, and batch-export images privately in your browser.

  • Local JPEG, PNG, WebP, and AVIF input
  • Preset and custom output dimensions
  • Crop, fit, extend, stretch, pan, and focal-point controls
  • Individual image and batch ZIP export
Useful forSocial media images · Responsive image sets · Fast local batch exports
Learn about Aspect Studio
Available

Digital Life Organizer

Catalog local files and folders, organize digital records, and export a reusable inventory without uploading file contents.

  • Build a searchable inventory of local digital records
  • Group and label items without uploading file contents
  • Export a reusable organization record
Useful forPersonal file inventories · Digital decluttering plans · Record keeping
Learn about Digital Life Organizer
Available

DocuVerse Studio

Write and organize documents with local autosave, review tools, statistics, project files, and flexible exports.

  • Local document editing with browser autosave
  • Writing review, statistics, notes, and reusable templates
  • Project, HTML, and document-oriented export options
Useful forLong-form drafts · Structured reports · Local writing projects
Learn about DocuVerse Studio
Available

File Organizer

Analyze local folders, identify duplicates and naming issues, and build a safe organization plan.

  • Inspect selected folders locally
  • Flag duplicate candidates and inconsistent names
  • Build a reviewable organization plan before changing files
Useful forFolder cleanup planning · Duplicate review · Naming consistency checks
Learn about File Organizer
Available

FormBuilder Studio

Build multi-page forms, test conditional logic, collect local responses, and export a standalone browser form.

  • Build multi-page forms from reusable field types
  • Preview conditional logic and validation
  • Collect responses locally and export a standalone form
Useful forInternal questionnaires · Local surveys · Form prototypes
Learn about FormBuilder Studio
Available

Image Processing Lab

Use 18 local browser image utilities for conversion, cleanup, inspection, and export without uploads.

  • Eighteen focused image-processing utilities
  • Local conversion, cleanup, inspection, and export
  • Multi-file workflows with browser-based processing
Useful forImage preparation · Format conversion · Quick visual inspection
Learn about Image Processing Lab
Available

PDF Workspace

Merge, reorder, extract, annotate, watermark, and generate PDFs in your browser.

  • Merge, reorder, split, and extract PDF pages
  • Add annotations, watermarks, and generated content
  • Process documents in the browser and download the result
Useful forPDF assembly · Page organization · Lightweight document markup
Learn about PDF Workspace
Available

SVG Path Laboratory

Inspect, edit, convert, visualize, and export SVG path data in your browser.

  • Inspect and edit SVG path commands
  • Convert, normalize, and visualize vector path data
  • Export revised SVG-compatible output
Useful forSVG path debugging · Vector cleanup · Learning path geometry
Learn about SVG Path Laboratory

Why these tools exist

Useful tools do not need to be complicated.

When a browser can handle the job well, there should be no need to install another application or create another account.

01

Know what it does

Every tool should solve a recognizable task and be honest about what it can and cannot do.

02

Keep work local

Content stays in the browser when the technology allows it, with outside dependencies clearly disclosed.

03

Comfortable to use

Interfaces adapt to different screen sizes, keyboard access, readable contrast, and user preferences.

04

Take the result with you

Useful export formats make it easier to continue your work somewhere else.

Privacy and local data

Your work stays separate from site analytics.

The current Digital Opus tools process working content in the browser. Google Analytics measures broad page usage, but entered text, PDFs, images, source videos, and generated files are not included. Some models, libraries, fonts, or browser services come from third parties, and each tool explains its local storage and network behavior.

Read the full privacy explanation

Common questions

A few things to know.

Do I need an account?

No. The current Digital Opus browser tools can be opened and used without creating an account.

Do the tools upload my working files or text?

Digital Opus does not receive the PDFs, working text, and generated audio used in Voice Studio, the PDFs used in Bionic Reader, the images processed in Aspect Studio, or the source and output videos used in Video Format Studio. Some browser speech features or downloaded third-party resources may involve their providers, as explained inside each tool.

Why might a feature behave differently on my device?

Browser capabilities, available voices, media codecs, memory, PDF or video size, and operating-system services vary. Current desktop browsers usually provide the broadest feature support.

Can I suggest another tool or report a problem?

Yes. Use the shared contact form with the tool name, your browser, and a clear description.

More from Digital Opus

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