Convert
Move between JSON, YAML, encodings, timestamps, and color formats.
Dev Workbench for macOS
Developer tools that stay on your Mac.
Convert, inspect, generate, compare, and debug with 16 focused workbenches in one native macOS app.
Free download. Requires macOS 14 or later.
- 16
- focused workbenches
- macOS 14+
- native Mac experience
- Local
- processing by default
What you can do
Tools for everyday development.
Inspect
Understand tokens, URLs, identifiers, and network ranges.
Generate
Create IDs, HTTP client code, and color palettes.
Compare
Compare text and inspect what changed.
Debug
Test regular expressions and schedules. Explore logs and data tables.
A closer look
See Dev Workbench in action.
Select any workbench to view its reviewed demonstration from the real app.
FREE + PRO
Start with every workbench.
Unlock more when you need it.
All 16 workbenches are usable in Free. Nine are fully Free, and seven add Pro capabilities for larger inputs, more saved sessions, signature work, authoring help, finer comparison, and embedded preview.
Nine complete workbenches.
Epoch Time, Text Encoding, Image Data URI, ID Generator, Cron, Color, cURL to Code, JSON/YAML, and IP/CIDR include their complete current V1 workflows in Free.
Advanced capabilities in seven.
Dev Workbench Pro is one non-consumable App Store purchase. It unlocks more in JSON Tools, JWT, URL Parser, Regex, Text Diff, Local Data, and Log Analyzer.
One-time purchase
Dev Workbench Pro
Lifetime access to Pro features.
No subscription or renewal fees.
Launch offer
Regular price US$39.99 Launch price US$29.99
Pay once.
- Lifetime Pro access
- Keep Pro features with a single purchase.
- Updates included
- Updates to the current 16 workbenches are included.
- Use on your Macs
- One purchase with the same Apple Account.
Free download. Upgrade to Pro in the app.
Purchase questions
How do I get Pro?
Open a Pro feature in Dev Workbench, then choose Unlock Pro. Complete your purchase through the App Store.
What updates are included?
Your purchase includes updates to the current 16 workbenches, with no renewal fee.
Can I use Pro on another Mac?
Yes. Sign in to the App Store with the Apple Account used for your purchase, open Dev Workbench, and choose Restore Purchases.
How do I restore Pro after reinstalling?
Use the same Apple Account and choose Restore Purchases in Dev Workbench. You won’t be charged again.
The workbenches
16 focused workbenches.
01 / Category
Structured data
Convert, inspect, and prepare data for the next step.
JSON
Format, repair, and query JSON locally. Pro opens larger files for search and jq.
Free + ProJSON/YAML
Convert and format JSON and YAML.
Included in FreeText Encoding
Encode and decode Base64, Hex, Base32, Base58, and Ascii85.
Included in FreeImage Data URI
Convert local images into data URIs, HTML, CSS, or Markdown.
Included in Free02 / Category
Requests & tokens
Inspect tokens and URLs, and turn curl commands into code.
03 / Category
Text
Understand a pattern, a match, or a change.
04 / Category
Local data
Explore structured data and diagnostic logs on your Mac.
05 / Category
Everyday utilities
Convert values, inspect schedules, and generate reusable output.
Epoch Time
Convert timestamps, dates, timezones, and durations.
Included in FreeCron
Explain schedules and preview previous and upcoming runs.
Included in FreeID Generator
Generate and inspect UUIDv4, UUIDv7, and ULID values.
Included in FreeColor
Convert colors, create palettes, and check contrast.
Included in FreeIP/CIDR
Inspect IPv4 networks, address ranges, and subnet details.
Included in FreeMissing a tool?
Suggest a new workbench or an improvement to one you use.
Request a feature
Opens GitHub. Prefer email?
Local processing
by default.
Format, convert, and inspect your data on your Mac. Actions such as running a curl request or loading a web preview access the network when you choose to use them.
Read the privacy policy