developer tools changelog

https://programmes.net/llms.txt

− programmes.net provides 83 developer tools (formatters, encoders, hashing, converters, and text & web utilities), reference content, and a JSON API. All tool logic is shared between the website and the API, so results are identical.− - [Duration Converter](https://programmes.net/tools/duration) ([Markdown](https://programmes.net/tools/duration.md)): ISO 8601 durations ⇄ seconds ⇄ "1h30m" human text+ programmes.net provides 96 developer tools (formatters, encoders, hashing, converters, and text & web utilities), reference content, and a JSON API. All tool logic is shared between the website and the API, so results are identical.+ - [JSON Schema Validator](https://programmes.net/tools/json-schema-validator) ([Markdown](https://programmes.net/tools/json-schema-validator.md)): Validate JSON against a JSON Schema (2020-12, 2019-09, 7, 4)+ - [ID Decoder](https://programmes.net/tools/id-decoder) ([Markdown](https://programmes.net/tools/id-decoder.md)): Decode Snowflake, ObjectId, KSUID, TypeID, ULID and UUID: time and fields+ - [Punycode & IDN Converter](https://programmes.net/tools/punycode) ([Markdown](https://programmes.net/tools/punycode.md)): Convert international domain names to and from xn-- Punycode+ - [Gzip & Deflate Compressor](https://programmes.net/tools/compress) ([Markdown](https://programmes.net/tools/compress.md)): Gzip, deflate or raw-deflate text to Base64 or hex, and back, with sizes+ - [SAML Decoder](https://programmes.net/tools/saml-decoder) ([Markdown](https://programmes.net/tools/saml-decoder.md)): Decode SAMLRequest and SAMLResponse: issuer, NameID, audience, validity+ - [SSH & Key Pair Generator](https://programmes.net/tools/keygen) ([Markdown](https://programmes.net/tools/keygen.md)): Generate Ed25519, ECDSA, RSA, X25519 and WireGuard key pairs+ - [CSR, SSH Key & JWK Inspector](https://programmes.net/tools/key-inspector) ([Markdown](https://programmes.net/tools/key-inspector.md)): Decode CSRs, SSH public keys and JWKs: SANs, fingerprints, thumbprints+ - [Duration Converter](https://programmes.net/tools/duration) ([Markdown](https://programmes.net/tools/duration.md)): Convert between ISO 8601 durations, seconds and "1h30m" human text+ - [docker run to Compose Converter](https://programmes.net/tools/docker-compose) ([Markdown](https://programmes.net/tools/docker-compose.md)): Convert docker run commands to Docker Compose services and back+ - [IEEE 754 Float Inspector](https://programmes.net/tools/ieee754) ([Markdown](https://programmes.net/tools/ieee754.md)): See a number as float32/float64 bits, the exact stored value and the error+ - [HTML to Markdown](https://programmes.net/tools/html-markdown) ([Markdown](https://programmes.net/tools/html-markdown.md)): Turn an HTML page into clean Markdown for docs, notes and LLM prompts+ - [Glob & .gitignore Tester](https://programmes.net/tools/glob-tester) ([Markdown](https://programmes.net/tools/glob-tester.md)): Test .gitignore and glob patterns against paths and see which rule matched+ - [EXIF Viewer & Remover](https://programmes.net/tools/exif) ([Markdown](https://programmes.net/tools/exif.md)): Read photo metadata (camera, GPS, dates) and save a copy without it+ - [robots.txt Builder & llms.txt Validator](https://programmes.net/tools/robots-txt) ([Markdown](https://programmes.net/tools/robots-txt.md)): Build robots.txt that treats search, AI answer and AI training bots apart+ - `POST https://programmes.net/api/v1/id-decoder` — Decode IDs: Snowflake, MongoDB ObjectId, KSUID, TypeID, ULID, UUID and CUID2 — timestamp, machine fields and randomness. (operations: decode)+ - `POST https://programmes.net/api/v1/docker-compose` — Convert docker run commands to a Docker Compose file and Compose services back. (operations: to-compose, to-run)+ - `POST https://programmes.net/api/v1/glob-tester` — Test .gitignore or glob patterns against a list of paths and see which rule matched each one. (operations: test)+ - `POST https://programmes.net/api/v1/punycode` — Convert internationalised domain names to and from Punycode (RFC 3492): bücher.example ⇄ xn--bcher-kva.example. (operations: to-ascii, to-unicode, encode, decode)+ - `POST https://programmes.net/api/v1/ieee754` — Inspect IEEE 754 float32/float64: sign, exponent and mantissa bits, hex, the exact stored value and the rounding error. (operations: inspect)+ - `POST https://programmes.net/api/v1/html-markdown` — Convert HTML to Markdown (CommonMark + GitHub tables), dropping scripts and styles. (operations: convert)+ - `POST https://programmes.net/api/v1/robots-txt` — Build robots.txt that treats search engines, AI answer bots and AI training crawlers separately; validate llms.txt. (operations: build, validate-llms)+ - `POST https://programmes.net/api/v1/compress` — gzip, deflate (zlib) or raw-deflate text to Base64 or hex, and decompress it back. (operations: compress, decompress)+ - `POST https://programmes.net/api/v1/saml-decoder` — Decode a SAMLRequest or SAMLResponse (Base64, or deflate + Base64) and summarise it. Signatures are not verified. (operations: decode)+ - `POST https://programmes.net/api/v1/key-inspector` — Inspect a CSR (subject, SANs, key, signature check), OpenSSH public keys (type, bits, ssh-keygen fingerprints) or a JWK / JWKS (RFC 7638 thumbprint, PEM and OpenSSH forms). Private keys are refused. (operations: inspect)+ - `POST https://programmes.net/api/v1/json-schema-validator` — Validate JSON data against a JSON Schema (drafts 2020-12, 2019-09, 7 and 4) and list each error with its data path and schema keyword. (operations: validate)

• + http/100
• + http/101
• + http/102
• + http/103
• + http/200
• + http/201
• + http/202
• + http/203
• + http/204
• + http/205
• + http/206
• + http/207
• + http/208
• + http/226
• + http/300
• + http/301
• + http/302
• + http/303
• + http/304
• + http/305
• + http/306
• + http/307
• + http/308
• + http/400
• + http/401
• + http/402
• + http/403
• + http/404
• + http/405
• + http/406
• + http/407
• + http/408
• + http/409
• + http/410
• + http/411
• + http/412
• + http/413
• + http/414
• + http/415
• + http/416

Showing the first 40 of each.

• + reference
• + explain-http-status
• + explain-exit-code
• + explain-permissions
• + whats-on-port
• + decode-jwt
• + explain-cron
• + debug-regex

• + semver
• + duration
• + nanoid
• + base-n
• + luhn
• + x509
• + env-json
• + toml-json
• + csp
• + security-headers
• + ipv6
• + utm
• + aspect-ratio
• + html-jsx
• + jsonc
• + text-cleanup
• + date-calc
• + svg-data-uri
• + id-decoder
• + docker-compose
• + glob-tester
• + punycode
• + ieee754
• + html-markdown
• + robots-txt
• + compress
• + saml-decoder
• + key-inspector
• + json-schema-validator
• − aes-encrypt

https://programmes.net/llms.txt

− > Free, privacy-first developer tools that run entirely in your browser, plus a free CORS-enabled JSON API so scripts and AI agents can call the same tools programmatically. No signup, no API key, no tracking; everything also works offline.− programmes.net provides 65 developer tools (formatters, encoders, hashing, converters, and text & web utilities), reference content, and a JSON API. All tool logic is shared between the website and the API, so results are identical.− - [JSON Formatter](https://programmes.net/tools/json): Format, validate, and minify JSON data− - [XML Formatter](https://programmes.net/tools/xml): Format and validate XML documents− - [SQL Formatter](https://programmes.net/tools/sql): Format and beautify SQL queries− - [HTML Formatter](https://programmes.net/tools/html): Format and beautify HTML code− - [CSS Minifier & Beautifier](https://programmes.net/tools/css-minify): Minify or beautify CSS, strip comments, shrink size− - [Base64](https://programmes.net/tools/base64): Encode and decode Base64 strings− - [URL Encoder](https://programmes.net/tools/url): URL encode and decode strings− - [JWT Decoder](https://programmes.net/tools/jwt): Decode and verify JWT tokens− - [HTML Entity](https://programmes.net/tools/html-entity): Encode and decode HTML entities− - [URL Encoder Advanced](https://programmes.net/tools/url-encode): Advanced URL encoding with batch mode and URL parser− - [Image to Base64](https://programmes.net/tools/image-base64): Convert images to Base64 data URIs− - [JWT Encoder / Generator](https://programmes.net/tools/jwt-encode): Build and HMAC-sign JWTs in your browser− - [Hash Generator](https://programmes.net/tools/hash): Generate MD5, SHA-1, SHA-256 hashes− - [UUID Generator](https://programmes.net/tools/uuid): Generate unique identifiers− - [Password Generator](https://programmes.net/tools/password): Generate secure passwords− - [Bcrypt Generator](https://programmes.net/tools/bcrypt): Generate and verify bcrypt hashes− - [Random String Generator](https://programmes.net/tools/random): Generate random strings with custom patterns and charsets− - [Password Strength Checker](https://programmes.net/tools/password-strength): Test password strength, entropy & crack time− - [TOTP / 2FA Code Generator](https://programmes.net/tools/totp): Generate RFC 6238 TOTP two-factor authentication codes− - [ULID Generator](https://programmes.net/tools/ulid): Generate sortable timestamp-based ULIDs− - [AES Text Encryption](https://programmes.net/tools/aes-encrypt): Encrypt and decrypt text with a password using AES-256-GCM− - [HMAC Generator](https://programmes.net/tools/hmac): Generate HMAC SHA-256/384/512 signatures in-browser− - [Unix Timestamp](https://programmes.net/tools/timestamp): Convert Unix timestamps− - [Color Converter](https://programmes.net/tools/color): Convert between color formats− - [Number Base](https://programmes.net/tools/number-base): Convert between number bases− - [Case Converter](https://programmes.net/tools/case): Convert text case formats− - [JSON-CSV Converter](https://programmes.net/tools/json-csv): Convert between JSON and CSV formats with nested object support− - [YAML to JSON](https://programmes.net/tools/yaml-json): Convert between YAML and JSON in either direction− - [JSON to TypeScript](https://programmes.net/tools/json-ts): Generate TypeScript interfaces and types from JSON− - [Contrast Checker](https://programmes.net/tools/contrast): Check WCAG color contrast for accessibility− - [chmod Calculator](https://programmes.net/tools/chmod): Calculate Unix file permissions in octal & symbolic− - [cURL Converter](https://programmes.net/tools/curl-converter): Convert curl commands to fetch, Python & Node code− - [JSON Schema Generator](https://programmes.net/tools/json-schema): Generate draft-07 JSON Schema from sample JSON− - [IP Subnet Calculator](https://programmes.net/tools/cidr): Calculate IPv4 subnets, netmask & host range from CIDR− - [Color Palette Generator](https://programmes.net/tools/color-palette): Generate color harmonies, shades and tints from a base color− - [JSONPath Evaluator](https://programmes.net/tools/jsonpath): Query JSON with JSONPath expressions in your browser− - [Data Size Converter](https://programmes.net/tools/data-size): Convert between bytes, KB, MB, GB, KiB, MiB and bits− - [ASCII Converter](https://programmes.net/tools/ascii): Convert text to ASCII codes in dec, hex, binary, octal+ > Free, privacy-first developer tools that run entirely in your browser, plus a free CORS-enabled JSON API so scripts and AI agents can call the same tools programmatically. No signup, no API key, and nothing you type into a tool is ever collected (analytics are cookieless unless you opt in); everything also works offline.+ programmes.net provides 83 developer tools (formatters, encoders, hashing, converters, and text & web utilities), reference content, and a JSON API. All tool logic is shared between the website and the API, so results are identical.+ Start with: [JSON Formatter & Validator](https://programmes.net/tools/json), [Base64 Encoder & Decoder](https://programmes.net/tools/base64), [JWT Decoder](https://programmes.net/tools/jwt), [Hash Generator](https://programmes.net/tools/hash), [UUID Generator](https://programmes.net/tools/uuid), [Unix Timestamp Converter](https://programmes.net/tools/timestamp), [Regex Tester](https://programmes.net/tools/regex), [YAML / JSON Converter](https://programmes.net/tools/yaml-json), [JSON to TypeScrip+ Every tool page has a Markdown twin (append `.md`) describing what it does and, where it has one, its API with REST, MCP and curl examples.+ - [JSON Formatter & Validator](https://programmes.net/tools/json) ([Markdown](https://programmes.net/tools/json.md)): Format, validate, and minify JSON data+ - [XML Formatter & Validator](https://programmes.net/tools/xml) ([Markdown](https://programmes.net/tools/xml.md)): Format and validate XML documents+ - [SQL Formatter](https://programmes.net/tools/sql) ([Markdown](https://programmes.net/tools/sql.md)): Format and beautify SQL queries+ - [HTML Formatter](https://programmes.net/tools/html) ([Markdown](https://programmes.net/tools/html.md)): Format and beautify HTML code+ - [CSS Minifier & Beautifier](https://programmes.net/tools/css-minify) ([Markdown](https://programmes.net/tools/css-minify.md)): Minify or beautify CSS, strip comments, shrink size+ - [SemVer Calculator](https://programmes.net/tools/semver) ([Markdown](https://programmes.net/tools/semver.md)): Compare, sort, bump versions and test npm ranges+ - [Luhn, IBAN & ISBN Validator](https://programmes.net/tools/luhn) ([Markdown](https://programmes.net/tools/luhn.md)): Check digits for cards, IBANs, ISBNs and EAN barcodes+ - [Base64 Encoder & Decoder](https://programmes.net/tools/base64) ([Markdown](https://programmes.net/tools/base64.md)): Encode and decode Base64 strings+ - [URL Encoder & Decoder](https://programmes.net/tools/url) ([Markdown](https://programmes.net/tools/url.md)): URL encode and decode strings+ - [JWT Decoder](https://programmes.net/tools/jwt) ([Markdown](https://programmes.net/tools/jwt.md)): Decode a JWT header and payload and check its expiry+ - [HTML Entity Encoder & Decoder](https://programmes.net/tools/html-entity) ([Markdown](https://programmes.net/tools/html-entity.md)): Encode and decode HTML entities+ - [Batch URL Encoder & Parser](https://programmes.net/tools/url-encode) ([Markdown](https://programmes.net/tools/url-encode.md)): Advanced URL encoding with batch mode and URL parser+ - [Image to Base64](https://programmes.net/tools/image-base64) ([Markdown](https://programmes.net/tools/image-base64.md)): Convert images to Base64 data URIs+ - [JWT Encoder & Signer](https://programmes.net/tools/jwt-encode) ([Markdown](https://programmes.net/tools/jwt-encode.md)): Build and HMAC-sign JWTs in your browser+ - [Base32, Base58 & Base85 Encoder](https://programmes.net/tools/base-n) ([Markdown](https://programmes.net/tools/base-n.md)): Encode and decode Base32, Crockford, Base58, Ascii85, Z85+ - [SVG to Data URI](https://programmes.net/tools/svg-data-uri) ([Markdown](https://programmes.net/tools/svg-data-uri.md)): Minify SVG into a CSS data URI for background or mask images+ - [Hash Generator](https://programmes.net/tools/hash) ([Markdown](https://programmes.net/tools/hash.md)): Generate MD5, SHA-1, SHA-256 hashes+ - [UUID Generator](https://programmes.net/tools/uuid) ([Markdown](https://programmes.net/tools/uuid.md)): Generate unique identifiers+ - [Password Generator](https://programmes.net/tools/password) ([Markdown](https://programmes.net/tools/password.md)): Generate secure passwords+ - [Bcrypt Generator & Verifier](https://programmes.net/tools/bcrypt) ([Markdown](https://programmes.net/tools/bcrypt.md)): Generate and verify bcrypt hashes+ - [Random String Generator](https://programmes.net/tools/random) ([Markdown](https://programmes.net/tools/random.md)): Generate random strings with custom patterns and charsets+ - [Password Strength Checker](https://programmes.net/tools/password-strength) ([Markdown](https://programmes.net/tools/password-strength.md)): Test password strength, entropy & crack time+ - [TOTP / 2FA Code Generator](https://programmes.net/tools/totp) ([Markdown](https://programmes.net/tools/totp.md)): Generate RFC 6238 TOTP two-factor authentication codes+ - [ULID Generator](https://programmes.net/tools/ulid) ([Markdown](https://programmes.net/tools/ulid.md)): Generate sortable timestamp-based ULIDs+ - [AES Text Encryption](https://programmes.net/tools/aes-encrypt) ([Markdown](https://programmes.net/tools/aes-encrypt.md)): Encrypt and decrypt text with a password using AES-256-GCM+ - [HMAC Generator](https://programmes.net/tools/hmac) ([Markdown](https://programmes.net/tools/hmac.md)): Generate HMAC SHA-256/384/512 signatures in-browser+ - [NanoID Generator](https://programmes.net/tools/nanoid) ([Markdown](https://programmes.net/tools/nanoid.md)): Random IDs with custom alphabets and collision odds+ - [X.509 Certificate Decoder](https://programmes.net/tools/x509) ([Markdown](https://programmes.net/tools/x509.md)): Decode PEM certificates: SANs, validity, key, fingerprint+ - [Unix Timestamp Converter](https://programmes.net/tools/timestamp) ([Markdown](https://programmes.net/tools/timestamp.md)): Convert Unix timestamps+ - [Color Converter](https://programmes.net/tools/color) ([Markdown](https://programmes.net/tools/color.md)): Convert between color formats+ - [Number Base Converter](https://programmes.net/tools/number-base) ([Markdown](https://programmes.net/tools/number-base.md)): Convert between number bases+ - [Case Converter](https://programmes.net/tools/case) ([Markdown](https://programmes.net/tools/case.md)): Convert text case formats+ - [JSON / CSV Converter](https://programmes.net/tools/json-csv) ([Markdown](https://programmes.net/tools/json-csv.md)): Convert between JSON and CSV formats with nested object support+ - [YAML / JSON Converter](https://programmes.net/tools/yaml-json) ([Markdown](https://programmes.net/tools/yaml-json.md)): Convert between YAML and JSON in either direction+ - [JSON to TypeScript](https://programmes.net/tools/json-ts) ([Markdown](https://programmes.net/tools/json-ts.md)): Generate TypeScript interfaces and types from JSON+ - [Color Contrast Checker](https://programmes.net/tools/contrast) ([Markdown](https://programmes.net/tools/contrast.md)): Check WCAG color contrast for accessibility

Showing the first 40 of each.